【题目】She lost her temper, ______ I decided to go back home.
A. in this case B. in which occasion
C. at which point D. in the event
在线课程【答案】C
【解析】试题分析：考查非限制性定语从句。句意：她失控了，在那个时候我决定回家。，整个句子缺少连词，要用从句，at which point，在...时，at which指代前面的She lost her temper这个场合，故选C项。