—Why didn’t you go to the cinema with us yesterday evening?

—I________for my uncle from Beijing at the station.

A．was waiting

B．am waiting

C．will wait

D．waited

影响健康保险保费高低的因素主要有( )。

A．残疾率、利率和费用率

B．残疾率、利率和汇率

C．残疾率和利率

D．残疾率和费用率