The rule that only people above 21 years of age can drink ______.
A、A. is a new law promoted by the twenty states
B、B. had been once adopted before the 1960s
C、C. has been enforced since the prohibition of alcohol
D、D. will be carried out all over the country
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试题解析
考查阅读技能的教学,根据第三段最后一句中可知,60年代以前合法饮酒的年龄是21岁。