听力原文:W: Working for four hours really makes me tired. Why can't we have a break like m
M: Our boss is a working machine. Keeping on working and making money is what he has in his mind. But we workers need rest.
W: Actually in some other companies they also do exercises to the radio broadcast. We need relaxation once in a while and only by this can we work efficiently.
M: Yes, I couldn't agree you more. But now we have to continue.
What is the relationship between the man and the woman?
A.They are classmates.
B.They are colleagues.
C.They are roommates.
D.They are relatives.