In recent years cattle breeders have increasingly used crossbreeding,
in part that their steers should acquire certain
characteristics and partly because crossbreeding is said to provide hybrid vigor.
(A) in part that their steers should acquire certain characteristics
(B) in part for the acquisition of certain characteristics in their steers
(C) partly because of their steers acquiring certain characteristics
(D) partly because certain characteristics should be acquire by their steers
(E) partly to acquire certain characteristics in their steers
这道题的答案选E,但是D为什么不对呢?and前后多对称啊.....希望大家可以来帮我看一看~谢谢
-- by 会员 陌下清风 (2010/8/21 12:41:37)