W: Can you change the bill for me please? M: Sure, 5, 10, 15, 20. OK, 20. W: Can I have some coins? I need them for a phone call. M: Here you are., Question: What can we learn from this conversation? (A) The woman is paying the bill. (B) The woman has a 20-dollar bill changed. (C) The man pays 20 dollars to the woman.
(B) The woman has a 20-dollar bill changed.