Do you know how much Mary all these books？They only 200 yuan!（ ）
| A． |
spent； cost |
B． |
paid for； spent |
| C． |
paid for； cost |
D． |
cost； spent |
Do you know how much Mary all these books？They only 200 yuan!（ ）
| A． |
spent； cost |
B． |
paid for； spent |
| C． |
paid for； cost |
D． |
cost； spent |
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