—How are you getting along with your project? —I was about to give up when an idea occurred to me ________ I could work with my roommate Tim. A.that B.how C.why D.whether
答案:A解析:从句I could work with my roommate Tim 句意完整,不缺少成分,因此使用that 引导同位语从句,解释说明idea 的内容。