【题目】______there was no obvious evidence, most people thought the man was guilty of stealing some vegetables from the stall.
A. Unless B. While
C. Since D. If
在线课程【答案】B
【解析】考查让步状语从句。虽然缺乏足够的证据，但大部分人认为这个人从货摊偷了一些蔬菜。只有B. while虽然，可以引导让步状语从句，A. unless和D. if引导条件状语从句而不引导让步状语从句，C. since自从引导时间状语从句，故选B。