【题目】The train was crowded and I had to get into a carriage _______ there were already seven other passengers.
A. which B. where C. what D. when
在线课程【答案】B
【解析】
试题分析：考查定语从句；句意：火车非常拥挤，我不得不进行已经有七个乘客的车厢。Carriage 做先行词， 定语从句_____ there were already seven other passengers.缺少 状语，故选B项。