问题描述：
材料：W:Well,can you confirm that we ordered nine boxes of paper for the photocopier?
M:No,you ordered ten boxes of paper at $9 each .
W:Ok,Here's the money.
How much should the women pay?
A.$72 B.$81 C.$90
我觉得选C,可是答案给了A,
M:No,you ordered ten boxes of paper at $9 each .
W:Ok,Here's the money.
How much should the women pay?
A.$72 B.$81 C.$90
我觉得选C,可是答案给了A,
问题解答：
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