Question

Mr.Smith was much surprised to find the watch he had had _______was nowhere to be seen.

　 A. it 　 B. it repaired

　 C. repaired 　 D. to be repaired

 

Answer 1

C

 

此处的had had为过去完成时，是was surprised之前发生的动作。he had had repaired是一个省略了which的定语从句(其先行词为watch)，作had had的宾语，repaired为宾补。