—Are you classmates? — No we go to different .A. school B. a school C. schools D. school’

问题补充：

—Are you classmates? — No, we go to different .

A. school

B. a school

C. schools

D. school’s

答案：

A. school

B. a school

(答案→)C. schools

D. school’s

解析：句意:--你们是同学吗？--不是，我们上的是不同的学校。根据different可知这里的名词school应该用复数，根据句意故选C。