What he said B

What he said B
19．They collected much money ________ the poor girl.
A．in aid \x05\x05\x05\x05B．in aid of
C．with the aid of \x05\x05D．gave aid to
B　考查固定短语.in aid of意为“帮助”；with the aid of意为“在……的帮助下”.句意：他们筹集了很多钱来帮助那个穷女孩.”为什么不选D?谓语动词?如果要用怎么用?