Which of the following sentences is NOT an indicative mood（陈述语气)？A．She never tells a l

Which of the following sentences is NOT an indicative mood(陈述语气)？

A．She never tells a lie.

B．Come and help me, son.

C．It"s quite a good idea.

D．The weather gets hotter.

请帮忙给出正确答案和分析，谢谢！