Question

The three men tried many times to sneak across the border into the neighboring country, ......

The three men tried many times to sneak across the border into the neighboring country, ___ by the police each time.�
A. had been captured B. being always captured�
C. only to be captured D. unfortunately captured
答案选c.求各项解释谢谢.～
.我想知道其他选项为什么不行谢谢.

Answer 1

only to be done 做结果状语，常常表示一种意想不到的或者是不好的结果。
A 不能做状语
B 现在分词状语表示经常性的动作，而这里不是经常性的动作，意思不对，所以不选
D captured只表示某一次的动作，与each time相矛盾

Answer 2

only to do(be done)表示一种出乎意料的结果
结果每次都被警察逮到

Answer 3

How many times(has)the doctor(been)(be）to America?B: He(has been)(be)there three times. When(did)he(go )(go)there B:He(went)(go)