40 kilometers _____ Chengdu lies a town, _____ suffered great losses in the earthquake, but is now on the road to recovering.

40 kilometers _____ Chengdu lies a town, _____ suffered great losses in the earthquake, but is now on the road to recovering.

A．west of; which                         B．on the west in; where

C．west of; where                         D．on the west of; which

40 kilometers _____ Chengdu lies a town, _____ suffered great losses in the earthquake, but is now on the road to recovering.

1. A.
   west of; which
2. B.
   on the west in; where
3. C.
   west of; where
4. D.
   on the west of; which