治疗小便不利，水肿，脾虚证，应选用的药物是（）

A.泽泻

B.猪苓

C.车前子

D.茯苓

E.通草

.In my opinion, life in the twenty-first century is much easier than _______.

A．that used to be

B．it is used to

C．it was used to

D．it used to be