The girl at the party yesterday is missing today.A. referring to B. refer toC. referred to

问题补充：

The girl at the party yesterday is missing today.

A. referring to

B. refer to

C. referred to

D. to refer to

答案：

A. referring to

B. refer to

(答案→)C. referred to

D. to refer to

解析：句意：昨天在聚会上提到的那个女孩今天消失了。refer to与其逻辑主语The girl之间是被动关系，故用过去分词作定语，选C。