When help in the mudslides of Zhouqu, every survivor would say “Thank you or “It

 When _______ help in the mudslides of Zhouqu, every survivor would say “Thank you” or “It is kind of you”.

A. offering                                                              B. to offer

C. to be offered                                                D. offered

试题答案

解析：选D。考查句法和省略。根据后面主句的主语survivor可知，前面完整的部分应该是when every survivor is offered help，省略了主语和系动词be，故选择D项。