Be more careful this time you’ll make the same mistake again.A. andB. orC. soD. but

问题补充：

Be more careful this time, you’ll make the same mistake again.

A. and

B. or

C. so

D. but

答案：

A. and

(答案→)B. or

C. so

D. but

解析：根据前后句子的关系，可知本题中的or，表示否则的意思，故选B。