Look at the following timetable and answer questions.
Time Table

Lv.(Leave) Boston	Ar.(Arrive) Midway	Ar. New York
5:00 AM Ex.(Except) Sun. 7:10 AM Daily 9:10 AM Ex. Sat. & Sun. 10:00 AM Ex. Hol.(Holiday) 1:15 PM Daily 3:40 PM Ex. Hol. 5:20 PM Daily	7:00 AM 9:00 AM 11:00 AM 11:45 AM 3:15 PM 5:40 PM 7:20 PM	10:45 AM 12:45 PM 2:45 PM --------- 5:45 PM 8:45 PM 9:55 PM

What is the shortest time between Boston and New York by train?

A．5 hours 35 minutes	B．5 hours 5 minutes
C．4 hours 25 minutes	D．4 hours 30 minutes

On Christmas Day, how many trains at least will go from Boston to New York?

A．Two	B．Three
C．Four	D．Five

You are traveling in the 9:10 AM train. In Midway you get off and stay there for an hour. If you want to get to New York before dark, which train from Boston should you change?

A．The 1:15 PM train.	B．The 5:20 PM train.
C．The 3:40 PM train.	D．The 10:10 AM train.