A、Relative. B、Roommates. C、Colleagues. D、Neighbors. D男士给女士还割草机，根据常识，割草机是日常工具，学生宿舍里一般不会有，因此两人不是室友(roommate)关系，对话里也没有特别的信息能说明两人是亲

M: What a relationship Steven and his father have!
W: Don’ t they? I only hope my daughter and I can get along like that when she’ s Steven’ s age.
Q: What can be inferred about the woman?

M: I’ ve just brought your mower back. Thanks for lending it to me. Where shall I leave it?
W: Just put it behind the door. Use the mower again anytime you need it.
Q: What’s the relationship between these two speakers?