问题详情

Which of the following sentences is grammatically INCORRECT？

A．Every girl and every boy is asked to be at the school gate before 7:00.

B．Not only vegetables but also meat is important for our health.

C．The departed is a well-known novelist.

D．The young couple is quarrelling with each other.

请帮忙给出正确答案和分析，谢谢！