听力原文：W: Excuse me. Do you know how this works?
M: Yes. Put the washing inside.., shut the door.., the money goes in here. Then when the machine starts you have to put the soap powder in through here.
W: Is that all?
M: Yes.
W: But is there anything I should do when it works?
M: You don't have to do anything else until the machine stops.
W: Thank you so much.
Q8. What can we learn from this conversation?
(14)
A．The woman is willing to do the washing for the man.
B．The man wants the woman to do the washing for him.
C．The woman knows little about the machine.
D．The man knows nothing about the machine.