Which of the following italicized parts is an appositive clause？A．He made the suggestion t

Which of the following italicized parts is an appositive clause？

A．He made the suggestion that we go there by train.

B．It is yesterday that little Tom broke the glass.

C．We depend on the land that we get our food from.

D．The fact is that he has not been seen recently.

请帮忙给出正确答案和分析，谢谢！