According to the new traffic laws people drive after drinking wine or beer.A. wouldn’tB.

问题补充：

According to the new traffic laws, people drive after drinking wine or beer.

A. wouldn’t

B. couldn’t

C. needn’t

D. mustn’t

答案：

A. wouldn’t

B. couldn’t

C. needn’t

(答案→)D. mustn’t

解析：考查情态动词。句意“根据新交通法，人们禁止在喝酒或啤酒后驾车。”wouldn’t“不会”；couldn’t“不能”；needn’t“不必”；mustn’t“不许，禁止”。根据句意可知，选D。