A-A+
A．Because cannabis proved to be more harmful t
问题详情
A．Because cannabis proved to be more harmful than tobacco.
B．Because cannabis is already so widespread.
C．Because it is not known whether cannabis may be harmful or not.
D．Because cannabis is proved to be positively harmful.
参考答案
正确答案：C
解析：目的原因题。本题关键句为“I think as yet little is known about it. I think it may be a rash thing to legalize it now when so little is known．”关于大麻，人们知道的还很少，因此使大麻合法化是一个轻率的决定。故正确答案为C。
