What is the question stem asking? I've seen a ton of assumption questions but I've never come across one like this. I can't tell if it's sufficient or necessary.

...or is that not important for this question?


Thanks!

(A) is wrong because even if it's true that speeding tickets were constant, it doesn't attack the conclusion that the speed limit caused the decrease in serious accidents. If you chose this, you're assuming that speeding tickets and speed limits are related. Sure, it might, but it doesn't go far eno...

I can see why D is correct-- the application does make a logical jump when it says that a reduction in people interaction is the same as detracting from social development.

But, what is C saying? Its wording was so weird that I ended up picking it because I didn't understand it well.