Due to the heavy rain and flooding ten million people have been forced their homesA. le

问题补充：

Due to the heavy rain and flooding，ten million people have been forced their homes．

A. leaving

B. to leave

C. to be left

D. being left

答案：

A. leaving

B. to leave

C. to be left

D. being left

解析：此处为force people to leave their homes的被动形式。

以下动词后跟不定式做宾语补足语：want，wish，ask，tell，order，beg，allow，permit，advise，persuade，cause，force，warn，invite，urge，encourage，prepare，remind，command等。