单选题 Which of the following was NOT a characteristic reason for the proposal of the 18th Amendment to the Constitution and the Volstead Act?

【正确答案】 B
【答案解析】第二段后半部分说了禁酒的理由是A,C和D三项,但并没有说禁酒会引起酒类成本的升高,因此答案是B。