--- Is this your sister’s key, John?  --- No, it isn’t. ______ is in the bag.

–Is this your sister?      
-Yes, ________.

 —Is this your sister?

—Yes, it is. _______ name is Linda.

A. Your　　　  B. My　　　　C. His          D. Her

 —Is this your sister’s key, John？ —No, it isn’t. ______ is in the bag.

A. She     B. Her     C. Herself    D. Hers