听力原文:M: I'm going to book a train ticket 10 days in advance because it happens to be S
W: Don't worry. There will be extra trains added to the original schedule.
Q: What docs the woman imply?
(19)
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.