问题详情

Which of the following sentences contains subjunctive mood？

A．The judge insisted that the accused man appear in person.

B．She used to drive to work, but now she takes the city metro.

C．Use your head, and then you"ll have an idea.

D．If a flood happened in the past, there was usually great loss of life and property.

请帮忙给出正确答案和分析，谢谢！