问题详情

Which of the following italicized parts is a relative clause(定语从句)？

A．He had no idea who took away the money.

B．Every one was informed of the news that a new teacher was about to come.

C．It was his fault that led to the team"s failure.

D．Tom is not the boy / gave the tickets to.

请帮忙给出正确答案和分析，谢谢！