请教一道逻辑题！

carawayt

19. There are at least three people in the room. At most two people in the room recognize each other. At least one person in the room recognizes everybody else in the room.
Which one of the following is not consistent with the above?
(a) Four people are in the room
(b) No two people in the room recognize each other.
(c) At most one person in the room recognizes everybody else in the room.
(d) Anyone in the room who recognizes any other person in the room is also recognized by that person..
(e) Two people in the room recognize every one else in the room.

不是很明白：（
请高手指点，谢谢！

cranberry

这种题目gmat不会考的，好象是lsat的题目，只能每个选项去对照题干，只有D是不可能的

carawayt

但D是什么意思呢？好象很绕啊！

cranberry

意思是每个屋内的人都要互相认识