问题
单项选择题
A．Opium being made legal in mid-nineteenth-century China.
B．The end of prohibition of alcohol in America in the 1920s and 1930s.
C．Drug pushers making billions of dollars each year.
D．More money being needed in education and medical care.
答案
参考答案：B
解析：[听力原文]
Which of the following is cited as evidence in support of the proposal to make drugs legal