Like some of my classmate, I can’t live up to my teachers’ expectations; ______, I let them down

1. A.
   in other words
2. B.
   after all
3. C.
   what’s more
4. D.
   more or less

Like some of my classmate, I can’t live up to my teachers’ expectations; ______, I let them down.

A. in other words                B. after all           C. what’s more            D. more or less