--- Is this the first time you ___ Xiamen?

--- No. But the first time I ____ here, the city wasn’t so beautiful.

A．visited, come

B．visited, have come

C．have visited, came

D．have visted, have come

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