But at other moments you will find him gentle and weak, _____ he cries about the lost lives of people drowned in ships that have sunk.

A．as with

B．as for

C．as to

D．as when

邮政管制的主体是（）。

A.邮政行为

B.邮政业务

C.邮政市场

D.邮政行政主体