One of them told me “This is the first time I to the capital to attend the flag-raising

问题补充：

One of them told me, “This is the first time I to the capital to attend the flag-raising ceremony.”

A. came

B. come

C. have come

D. had come

答案：

A. came

B. come

(答案→)C. have come

D. had come

解析：考查“It / This is the first time +从句 (用现在完成时态)”句型。