Question

This is Susan and that is Mary. _     my _        .

A. She's,  friend   B. He's, friend    C. They're; friends   D. They're, friend

Answer

C

【解析】

试题分析: 句意：这是苏珊，那是玛丽。She's她是, friend朋友（单数），He's他是, They're;她们是 friends 朋友（复数）。苏珊和玛丽是两个人，都为复数，故选C.

考点：考查主谓一致。