新PREP-Q223

evelyn205205

After several years of rapid growth, the health care company became one of the largest health care providers in the metropolitan area, while it then proved unable to handle the increase in business, falling months behind in its payment to doctors and hospitals.

A. while it then proved unable to handle the increase in business, falling months behind in its payment to

B. while it then proved unable to handle the increase in business and fell months behind in its payment to

C. but then it proved unable to handle the increase in business, falling months behind in its paying

D. but then proving unable to handle the increase in business, falling months behind in paying

E. but then proved unable to handle the increase in business, falling months behind in paying
ANSWER: E
我选的是C，but后面不是应该跟上完整的句子么，怎么可以如E所示，省略主语it呢？

evelyn205205

THX！

evelyn205205

谢谢这位大侠

taylordufe

简洁原则 it省略了 若放在这里指代不明确 会引起误解

kaji29

同意楼上 应该是一致主语省略了

barbiebear

供参考
首先，but 作连词时，后可接分句，但不是只能跟分句，同样可连接词或短语。
其次，连接句子时，前后主语一样的可省略。换种理解方式， but 对照的就是两个谓语。

evelyn205205

求指教