【题目】 Cathy had quit her job when her son was born _______ she could stay home and raise her family.
A. now that B. as if
C. only if D. so that
在线课程【答案】D
【解析】
试题分析：考查连词。A.now that既然；B.as if好像；C.only if只要；D.so that以便。这里是so that引导的目的状语从句。句意：当Cathy的儿子出生的时候，她就放弃了自己的工作，以便呆在家里照顾家人。根据句意故选D。