Sam is ________ more athletic than Tom.

1. A.
   a bit
2. B.
   a bit of
3. C.
   very
4. D.
   a little of

Sam is ________ more athletic than Tom.

[　　]

Tom is           than Sam.

Tom is           than Sam.

A．athletic                               B．more athletic

C．athleticer                             D．the athletic