It isfor all drivers not to drive after drinking, otherwise, they would be put into jail.

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(答案→)A. pulsory
B. satisfactory
C. unwilling
D. demanding
解析：句意：所有的司机不得酒后驾车，否则他们就得坐牢。pulsory强制，强迫；satisfactory令人满意的；unwilling不愿意的；demanding要求高的，苛求的。