I usually like red. I wore black to the party last night.

Question:

I usually like red. I wore black to the party last night.

• A.
  Because I usually like red, I wore black to the party last night.
• B.
  Although I usually like red, I wore black to the party last night.
• C.
  Unless I like red, I wore black to the party last night.
• D.
  As a result of my interest in red, I wore black to the party last night.