单项选择题M:I’m going to book a train ticket 10days in advance because it happens to be Spring Festival.W:Don’t worry.There will be extra trains added to the original schedule.Q:What docs the woman imply?()
A.There would be some problems for the man to secure a ticket.
B.There would be no problem for the man to secure a ticket.
C.There might be some extra tickets available for the man.
D.The man should book the ticket even earlier.