Hurry up youll be late for school.A. but B. and C. or

问题补充：

Hurry up, youll be late for school.

A. but B. and C. or

答案：

解析：句意：快点，否则你上学要迟到了。But但是；and和；or或者，否则。根据前面的祈使句Hurry up和后面的陈述句youll be late for school.可知该选C。