To his great excitement the day he looked forward to at last!A. had comeB. comingC. cam

问题补充：

．To his great excitement, the day he looked forward to at last!

A. had come

B. coming

C. came

D. to come

答案：

A. had come

B. coming

(答案→)C. came

D. to come

解析：本题易误选B。通过分析句子结构，可以看出the day是主句的主语，came是谓语；he looked forward to是一个省略了关系词的定语从句。