．—That must have been a long trip.

—Yeah, it________us a whole week to get there.

A．takes

B．has taken

C．took

D．was taking

白果的功效是（）。

A.敛肺化痰平喘，止带缩尿

B.泻肺平喘，利水消肿

C.清肺止咳，降逆止呕

D.润肺下气，止咳化痰

E.止咳平喘，润肠通便