Question

Most of the roads were covered with thick snow, ____ made our journey more difficult．

A．one

B．it

C．which

D．that

Answer 1

C

試題分析：句意：許多道路被厚厚的雪覆蓋著，這使得我們的旅行更加的艱難。通過分析句子結構，可知橫線之后是一個非限制性定語從句，且關系詞指代前面整個主句的內容，故只能用which，選C。