The house rent is expensive.I’ve got about half the space I had at home and I’m paying________here.

A．as three times much

B．as much three times

C．much as three times

D．three times as much

经行头痛主要治法以下列哪项为主（）

A.调理气血

B.补益肝肾

C.辛凉解表

D.清热泻火

E.补益精血