听力原文:W:You can't,iust decide to start hammering things into walls.You need to get perm
M:Calm down.I got his number from Helen,gave him a call and he gave me the thumb up.
Q:What does the man mean?
(18)
A.He called Helen and she gave him her permission.
B.He hit his thumb because of carelessness.
C.He called the landlord but he didn't get through.
D.He was allowed to hammer things into walls by the landlord.