She had just finished her homework ____ her mother asked her to practice playing the piano yesterday.

A. when            B. while              C. after              D. since

She had just finished her homework ____ her mother asked her to practice playing the piano yesterday.

A. when                  B. while                   C. after                   D. since

 She had just finished her homework        her mother asked her to practice playing the piano yesterday.   

A. when                         B. while                   C. after                   D. since  

She had just finished her homework           her mother asked her to practice playing the piano yesterday.

A. when                         B. while              C. after                D. since

She had just finished her homework _____her mother asked her to practice playing the piano yesterday.

 She had just finished her homework        her mother asked her to practice playing the piano yesterday. 

A. when             B. while            C. after            D. since

 She had just finished her homework ____ her mother asked her to practice playing the piano yesterday.
 A. when        B. while       C. after        D. since

She had just finished her homework _____her mother asked her to practice playing the piano yesterday.

1. A.
   when
2. B.
   while
3. C.
   after
4. D.
   since