Lucy doesn't mind lending you her dictionary ,does she?she ——.I've already borrowed one.该题为什么填"can't"?

Lucy doesn't mind lending you her dictionary ,does she?she ——.I've already borrowed one.该题为什么填"can't"?

答案应该是否定的,表示不介意.
有两种方式：doesn't 不介意
can't 不会介意
根据后面的论据,证明了应该用can't.

此题应填needn't,因从I've already borrowed one. 我已买了一本，可以推断应该是没必要了，故应用needn't。
以上为个人看法，仅供参考。

整句为She can't have lent her dictionary to you.
理由是我已经向Lucy借了一本辞典，
所以我肯定她不可能把词典借给了你。