听力原文:M: How long does it take you to go to work?M: It's only a fifteen-minute bus ride
听力原文:M: How long does it take you to go to work?
M: It's only a fifteen-minute bus ride in the morning.
How long does it take the man to go to work in the morning?
A.30 minutes.
B.20 to 30 minutes.
C.15 minutes.