22. In recent years cattle breeders have increasingly used crossbeeding, in part that their steers should acquire certian characterstics and partly because cross breeding is said to provide hybrid vigor.
(A) in part that their steers should acquire certian characterstics
(B) in part for the acquistion of certain characterstics in their steers
(C) partly because of their steers acquiring certain characterstics
(D) partly because certian charactrstics should be acquir their steers
(E) partly to acquire certain characterics in their steers
please explain answers
Not a math question, but I imagine the answer is E, though C is actually entirely possible - namely breeding to counteract the appearance of traits.