According to the passage, Whatley advocates which one of the following ... ...

According to the passage, Whatley advocates which one of the following actions because it would help to guarantee that small farms have buyers for all of their produce?
(A) growing at least ten different crops charging 60 percent of what supermarkets
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in June 2013 LSAT (PT 69): Reading Comprehension