Question

【题目】— Are those your grandparents?
— _______ .
A.Yes, these are
B.No, those aren't
C.Yes, they are
D.No, these aren't

Answer 1

【答案】C
【解析】句意：—那是你的祖父母吗？—是的，他们是。在回答主语为these或those的疑问句时，通常用they代替these或those。根据句意，故选C。