Whats the OA?

I would have said A.
to deal with is better than dealing with.
especially is better. Though its more british english than American english

What is the OA ?
My pick would be C.
It refers to " raise variety of crops"

cool ! Thanks for a professional explanation!

(1) since x-intercepts are both positive. y intercepts could be both could be either positive or negative, while passing through (4,3) since slope = - ( y intercept / x intercept) slope can be either positive or negative. So Insufficient (2) Since line passes through (4,3) and some point on y axis b...

Another problem with C is that the "and" before feigning is missing.
for instance, In a list of things separated by comma; a,b and c is preferred.

720 - 50, 38; Thanks MGMAT - you have been great help. I would have loved to join your course, but couldnt. However, your materials and forum were great help. You have a great staff - I saw a lot of your detailed responses to the forum questions - Your people have a lot of patience with people and ,...