The traffic rules say drivers mustn’t drive if they are drunk they will be punished.A. or

问题补充：

The traffic rules say drivers mustn’t drive if they are drunk, they will be punished.

A. or

B. but

C. and

D. so

答案：

(答案→)A. or

B. but

C. and

D. so

解析：句子之间的逻辑是中考单选必考点之一，or表示“或” “否则”，but“但是”表转折，and “并且”并列，so “因此”，表因果关系。or在此题表示“否则”，因此选A。