—I could have arrived much earlier, but I ____ in the traffic.

—What a pity![ ]

A. would be caught

B. was caught

C. has been caught

D. had been caught

苍术在平胃散中的用意是（）

A.燥湿运脾

B.补气健脾

C.渗湿健脾

D.发汗祛湿

E.健脾助运