【单选题】

Woman: There's Bill on his motorcycle again. Did he get it fixed in the garageMan: Don't be silly. That would have been a waste of money. It only had a flat tire.Question: What does the man imply
A．The woman was so silly as to waste much money.

B．It was costly to have the motorcycle fixed in the garage.
C．Bill must have repaired the motorcycle himself.
D．There was a serious problem with the motorcycle.