大全250補充02-41~(急~拜託求救!!!)

[auguding]

Since chromosome damage can be caused by viral infections, medical x-rays, and exposure to sunlight, it is important that the chromosomes of a population to be tested for chemically induced damage be compared with those of a control population.

(B) being tested for damage induced chemically are compared with
(C) being tested for chemically induced damage should be compared to
(D) being tested for chemically induced damage are to be compared to
(E) that is to be tested for chemically induced damage are to be comparable with

答案為A
但不解~這邊有那種是可以套入~should省略的句型嗎?
雖然說compare with與compare to有比較跟比喻的差別吧
但是在ETS出題中似乎不是關鍵
在to be 之前是省略了that are嗎?但是我還是存在著後面be compared with的be怎麼來的疑慮
所以我選了C耶~~~~救命啊!!!

[dibert8]

這題考 important that S + 原形動詞; important 有堅持的語意,所以後面子句用原形動詞.
being 現在進行式的句意不合理.
should 在這種句型一定要省略.