Are these your trousers?怎么回答?

问题描述:

Are these your trousers?
怎么回答?

Yes,they are./No,they aren't.

Yes, they are.
Yes, these are.
No, they are not.
No, these are not.

Yes,they are
Yes,these are(也有,不常用)

yes, they are.
or
no, they aren't