— Hurry up you will miss the school bus.— I know that Mum. I’ll be ready in a minute.A.

问题补充：

— Hurry up, you will miss the school bus.

— I know that, Mum. I’ll be ready in a minute.

A. or

B. and

C. nor

D. but

答案：

(答案→)A. or

B. and

C. nor

D. but

解析：本题的含义为快点，否则你将赶不上校车，赶不上校车是不快的后果，英文中or可以表示不做前面事情的后果，故选A。