Enid: Grand Buy Department Store is having its anniversary sale, so I’d take my son to go shopping tomorrow. How long will it take to go there by bus?
Greta: ______________ But why don’t you use the subway? That’d be much faster.

Enid: Grand Buy Department Store is having its anniversary sale, so I’d take my son to go shopping tomorrow. How long will it take to go there by bus?
Greta: ______________ But why don’t you use the subway? That’d be much faster.

A.It depends on traffic.

B.The bus driver is very skillful.

C.It can’t be faster.

D.There will be a lot of people on the bus.

正确答案是A