He studied hard and later became a well-known writer, ____ his father expected.

1. A.
   that was what
2. B.
   what was that
3. C.
   and which was
4. D.
   which was what

He studied hard and later became a well-known writer, ____ his father expected.

A. that was what                            B. what was that      

C. and which was                            D. which was what

He studied hard and later became a well-known writer, ____ his father expected.

A. that was what 　B. what was that 　C. and which was 　D. which was what

He studied hard and later became a well-known writer, ____ his father expected.

He studied hard and later became a well-known writer, ____ his father expected.