W:You can find someone to share the rent if it is

W:You can find someone to share the rent if it is
too high.
M:After all the problems I had with my roommate
last year?
Q:What does the man imply about having a
roommate?
a He prefers living alone.
b He has never had any roommate before.
c He can't share the cost with anybody.
d He prefers to have a roommate.
不要只写答案 给些基本的解释