The police _______ lots of help by the people in the city.

问题描述:

The police _______ lots of help by the people in the city.
A. has been given B. has given C. have been given D. have given
我选D,答案是C
我觉得C不对啊,究竟谁是帮助的得到者?

应该是C,要注意后面是by不是to