Question

Eric arrived on time, ______ it was the rush hour.

A．although	B．because
C．while	D．unless

Answer 1

A

试题分析：句意:虽然是在上下班的高峰时刻，但Eric还是按时到达了。although虽然，尽管，引导让步状语从句；because 因为，引导原因状语从句；while当…时候，引导时间状语从句；unless除非，如果不，引导条件状语从句。根据句意可知选A。