问题详情

All the following sentences have an appositive EXCEPT______

A．My task, to do all that work in one day, could not be accomplished.

B．They each want to do something different.

C．I have no idea when she will come back.

D．Air, food, water and heat are all requirements of living things.

请帮忙给出正确答案和分析，谢谢！