I have a very odd way of looking at this argument that hopefully someone will see as helpful.
The flaw in this argument is that the author is against a commonly held view based on evidence that we do not know is relevant.
Argument looks like this:
1. (counter-premise) being articulate is often equated with a large vocab"
2. (supporting premise) "HOWEVER (indicating the previous premise is counter) those with large vocabs don't have an incentive and don't engage in creative self expression which is REQUIRED when vailable words are inadequate"
3. THUS, a large vocab is a hindrance to using language in an articulate way.
When look at this argument I am looking for the assumption, I see evidence that really doesnt seem to fit or evidence I don't really know is valid that the author uses to state his case. That evidence is self expression is necessary/ required when available words are inadequate. Ok... But he doesn't prove that he just states it like its relevant.
So in order to see how he uses this evidence it helps to take the abstract and put it in diagram form.
NOTE: this is not a traditional conditional argument it's a loose conditional it uses middle language of tend, equated, etc. do not read this as absolute just read it as how the author uses his evidence as an assumption to form a logical chain.
Variables:
X: being articulate
Y: having a large vocab
V: words inadequate
Z: creative expression
Let's readdress the argument using variables
1. The author is refuting this that X has been equated with Y
2. HOWEVER Y doesn't have Z and we know Z is required for V
In diagram form: Y--> ~Z the other statement V-->Z
3. THUS Y hurts X
Diagramed as Y--> ~X or contrapositive X--> ~Y
What's important about this is not the absolute but just the structural relationship in this type of argument.
From this we can see that a logical chain is not present, which tells us something must be assumed.
Most necessary assumptions the assumption is protecting or defending against another explanation, this time the assumption is working more as a chain builder.
To connect Y--> ~X we have to assume the point in premise to is relevant that Y forms a chain: Y--> ~Z --> ~V
So we can see the assumption is that ~V --> ~X or X--> V
The chain has been completed: Y--> ~Z --> ~V --> ~X
We have completed this question without even addressing the answer choices.
A) gives us this assumption in the form of X-->Z--> V which in contrapositive form is our chained assumption to If Y
B) just boosts our premise with Y--> ~Z
C) starts with MOST which is already a bad start then introduces a compound conditional which was clearly not present in our complete chain, easily eliminate.
D) starts out of scope and continues by restating the conclusion as we diagrammed it Y--> ~X
E) starts out out of scope and I introduces a new relationship that was never present and is not helpful to our conclusion
Again this isn't a technique to use because diagramming is not very time efficient especially without absolute conditionals. However, this tool is useful upon review to see how arguments are often structured, and this argument is very very common. Introducing a point in order to refute it upon evidence that we do not know is relevant.
Hope this helps