听力原文：M: AS usual，the lecture hall is in a complete mess this afternoon. Newspapers，soda cans，used tissues， all of them，are just thrown all over the floor. I can't understand how people can be so thoughtless.
W: Well，your professor should have the authority to get something done about it.
Q: What does the woman suggest the man do?
A．Tell his professor about the condition of the lecture hall.
B．Organize a team of students to clean the lecture hall.
C．Find out who has been making a mess.
D．Wait to see if the problem will be solved.查看答案