大全，885-17sec-15, 求教

lilyhuang

15. 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 acquired by their steers
(E) partly to acquire certain characteristics in their steers

the answer is e. 感觉D更加与后面的句子在表达上平行, 另外to acquire 动作发出者是谁? 请赐教.

lixiaoyang

参见 lzm语法第318页有详细解释!

lixiaoyang

如果你没有,我在手敲给你

lilyhuang

thanks. I'll refer to the explanation in LZM.