— Could you tell me something about the boy who helped you just now ?— Sorry I know noth

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：根据语境可知此句的含义是你能告诉我刚才帮助你的那个小男孩吗？对不起，我不了解，我们是…。由选择项的提示可知A表示朋友，B表示邻居，C表示同学，D表示陌生人，故选D。