had never occurred to him that he might be falling in love with the new school.A. HeB. Tha

问题补充：

had never occurred to him that he might be falling in love with the new school.

A. He

B. That

C. It

D. This

答案：

A. He

B. That

(答案→)C. It

D. This

解析：考查形式主语和固定句型。Sth occur to sb某人突然想起某事；it是形式主语，that he might be falling in love with the new school.是真正的主语。