（1）What does the woman think of the subway in her city？
A.Clean and fast.
B.Fast and quiet.
C.Quiet and safe.
（2）How long has the subway been open？
A.For 3 years.
B.For 3 months.
C.For 3 weeks.
（3）How often does the train arrive at the station？
A.Every 3 minutes.
B.Every 4 minutes.
C.Every 5 minutes.