【题目】Her parents’ quarreling with each other ____________led to her family’s breaking up.
A. strictly B. hardly C. constantly D. occasionally
在线课程【答案】C
【解析】
试题分析：考查副词。句意：她父母不断吵架的对方导致她的家庭破裂。A. strictly 严格；B. hardly 几乎不；C. constantly不断；D. occasionally偶尔。根据句意可以判断， 故选C。