帮忙讲解一道英语定语从句的题目
问题描述：
帮忙讲解一道英语定语从句的题目
It was there,the police believe,______she was able to activate the recorder she kept in her bag.A.until B.which C.that D.when
答
警察相信,就是在那里,她打开过她包里的录音机.选C,the police believe是插入语,不影响句子成分,可以不看它.It was there that she was able to activate the recorder she kept in her bag. it is/was ... that ... ...