Researchers have found that current generations of bees in larval stages generally have a larger penchant for dwelling near dull-looking flowers and plant leaves than their parents and adult counterparts and that the reason for this change lies in the increasing use of pesticides on the vivid flowers that once lured pollinators.

(A) a larger penchant for dwelling near dull-looking flowers and plant leaves than their parents and adult counterparts
(B) more of a penchant for dwelling near dull-looking flowers and plant leaves than their parents and adult counterparts
(C) a larger penchant for dwelling near dull-looking flowers and plant leaves than that of their parents and adult counterparts
(D) more of a penchant for dwelling near dull-looking flowers and plant leaves than their parents and adult counterparts had
(E) an increasing in the penchant for dwelling near dull-looking flowers and plant leaves that their parents and adult counterparts had

OA: D
Source: Knewton