You should read the rules _____traffic carefully before you drive in the street.

问题描述:

You should read the rules _____traffic carefully before you drive in the street.
A.to B.at C.about D.for

选C 意思是要阅读关于交通的规则
其他的都说不通
to 对交通的规则
at 在交通的规则
for 为交通的规则 句意都不对
因此要选about 关于交通的规则