单选题 I was half way back to the cottage where my mother lived ______ Susan caught up with me.
  • [A] before
  • [B] where
  • [C] when
  • [D] that


【正确答案】 C
【答案解析】[考点] 状语从句
[解析] 做对这道题应先搞清句子结构，where my mother live是补充介绍cottage的从句，when是引导状语从句，指“当……的时候”。