Vaughn wanted to paint his room. Vaughn wanted a blue room or a green room.

Choose the best way to combine the two sentences above.
A.
Vaughn wanted to paint his room blue, or he wanted to paint it green.
B.
Vaughn wanted to paint his room, and he wanted it blue or green.
C.
Vaughn wanted to paint his room either blue or green.
D.
Vaughn wanted to paint his room, but he wanted a blue or green room.