A)One hundred dollars is much money for her.
B)One hundred dollars is too much for a recorder.
C)She had paid more than the man.
D)She got a lot of money to buy the recorder.
原文：
M: This recorder cost me one hundred dollars.
W: Only one hundred dollars? Mine cost me much more.
Q: What does the woman mean?
从W的问话和后面说的cost me much more（花费了我多得多的钱），可知正确答案为C。