Which sentence uses a semicolon correctly?

A) The soccer play-off game for today is going to happen; whether it rains buckets of water or not.
B) All along the parade route; townspeople lined up to cheer on the local high school football team.
C) The clock in the testing room was broken; so Jeff felt like he wasn't able to pace himself properly.
D) Mrs. Mock thought she would teach drama for two more years; however, today she felt she had to resign.