Wang kun : Have you looked at a map?

Wang wei : What did you say just now?

Wang kun : I asked you ______________.

A．whether you have looked at a map

B．whether you had looked at a map

C．whether have you looked at a map

D．whether had you looked at a map

我国宪法保护公民的通信自由。下列机关中，在任何情况下均无权对公民的通信进行检查的机关是：( )。

A．审判机关

B．检察机关

C．公安机关

D．国家安全部门