听力原文:W: Excuse me.M: Yes.W: I bought this MP3 here yesterday but it doesn't work.M: Oh
听力原文:W: Excuse me.
M: Yes.
W: I bought this MP3 here yesterday but it doesn't work.
M: Oh, let's see what's wrong.
W: This button doesn't work. When I push it nothing happens.
M: You're right. I'll give you another one. Show me your receipt.
What can we learn from the conversation?
A.The shop doesn't work.
B.The button can't be pushed.
C.The woman wants to change her MP3.
D.The woman has lost her receipt.