The boy you lent the pen to it.A. breakB. breakingC. brokeD. to break

问题补充：

The boy you lent the pen to it.

A. break

B. breaking

C. broke

D. to break

答案：

A. break

B. breaking

(答案→)C. broke

D. to break

解析：you lent the pen to作定语,所填词作谓语.