—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
网友回答
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。