问题详情

Which of the following italicized parts is a predicative clause(表语从句)？

A．I have no idea when he will leave for Britain.

B．It is very likely that they will hold a meeting.

C．The news that I have passed the exam is true.

D．The problem is when we can get a pay rise.

请帮忙给出正确答案和分析，谢谢！