【题目】When I asked her to define success in her own words, she said, “Success is _______ you look back at your life and the memories make you smile. ”
A. how B. that C. where D. when
在线课程【答案】D
【解析】
试题分析：考查关系词。句意：当我要求她用自己的话来定义一下成功时，她说，成功就是当你回首时，会感到开心的事。时间状语从句，用when引导，故选D项。