I was about to give up the project it hit me I could work with my roommates. That’s to sa

I was about to give up the project it hit me I could work with my roommates. That’s to say, I can turn to them for help.
A. that; whether
B. that; when
C. when; how
D. when; that

A. that; whetherB. that; whenC. when; how(答案→)D. when; that解析：考查固定句型和形式主语句。第一空是固定句型Be about to do sth when…正要做某事在这时…;第二空是形式主语句，it是形式主语，that I could work with my roommates是真正的主语。

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