So far this year we _____ a fall in house prices by between 5 and 10 percent.

[      ]

A. saw

B. see

C. had seen

D. have seen

香薷散的功用是（）。

A.解表化湿，理气和中

B.理气化湿，和中止呕

C.祛湿化浊，和中止泻

D.解暑化湿，和中止泻

E.祛暑解表，化湿和中