【单选题】

When is the heavy traffic hour on most city streets according to the passage

A、During 9:00A、m. and 5:00 p.m. from Monday to Friday.
B、Between 8:00A、m. and 6:00 p.m. from Monday to Friday.
C、In the period of 9:00A、m. and 5:00 p.m. every day.