When help.one often says “Thank you or “It’s very kind of you ． A. offered B. to

When ________help，one often says “Thank you” or “It’s very kind of you”．

A. offered　 B. to offer　 C. to be offered D. offering

试题答案

A

考查非谓语动词。从句属于状语从句的省略。补充完整为“When one is offered help”。题意：当受到帮助时，人们常说“谢谢你”或“你太好了”。