W: We can start at 9:00 and arrive in Guangzhou around 12:00. Is it OK? M: Can we start early? My train will start at 12:05 a. m, and it will stop checking tickets at least 30 minutes ahead., Question: How late at least does the man have to check his ticket? (A) 12:05 p.m. (B) 12:45 p.m. (C) 11:35 a.m.
(C) 11:35 a.m.