I got up early this morning I didn’t catch the first bus.A. andB. butC. orD. so

问题补充：

I got up early this morning, I didn’t catch the first bus.

A. and

B. but

C. or

D. so

答案：

A. and

(答案→)B. but

C. or

D. so

解析：此题考查连词表示转折故用B