My grandma often says there is nice and clean air in the countryside (乡村) , so she enjoys ________ there.

1. A.
   lived
2. B.
   lives
3. C.
   living
4. D.
   to live

My grandma often says there is nice and clean air in the countryside (乡村) , so she enjoys ________ there.

[　　]

My grandma often says there is nice and clean air in the countryside (乡村) , so she enjoys ________ there.

[　　]