According to traffic laws drivers drive cars after drinking wine.A. needn’tB. ought toC.

问题补充：

According to traffic laws, drivers drive cars after drinking wine.

A. needn’t

B. ought to

C. mustn’t

D. may not

答案：

A. needn’t

B. ought to

(答案→)C. mustn’t

D. may not

解析：句意：根据交通法，司机禁止在酒后驾车。A 不需要；B 应该；C 禁止；D 可能不；结合语境故选C。