---Is there any _______ to the time about how long I can stay here?

---Yes, you must leave here before he comes back.

A．number

B．length

C．limit

D．matter

使儿童的自尊心受到严重压制的家庭教育类型是（）

A.独裁教育

B.保护型

C.和平共处型

D.合作型