--__________ didn’t she come to school last night？

--Because she was ill.

1. A.
   When
2. B.
   Why
3. C.
   Where
4. D.
   How

— ______ didn’t Sally play the violin at the concert last night?
—She said that her hand hurt, but that was only an excuse. I saw her play tennis just now.

— ______ didn’t Sally play the violin at the concert last night?

—She said that her hand hurt, but that was only an excuse. I saw her play tennis just now.

A．Why             B．Where            C．Which            D．What