问题补充:
—Could you tell me something about the boy who helped you just now?
—Sorry, I know nothing about him. We are .
A. friends
B. neighbors
C. classmates
D. strangers
答案:
A. friends
B. neighbors
C. classmates
(答案→)D. strangers
解析:此题重点考查对语句的整体理解,根据语境可知选择stranger,陌生人。