PT 65 S3 Q20

Which one of the following most accurately expressesthe central idea of ... ...

Which one of the following most accurately expresses the central idea of the passage?
(A) The rehabilitation of land damaged by agricultural overproduction can be accelerated by means of a two-pronged strategy aimed at restoring biological diversity.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Dec 2011 LSAT (PT 65): Reading Comprehension