The Biggest Difference Between Contests and Sweepstakes Is That

The biggest difference between contests and sweepstakes is that:

A) contests can require an entry fee, and sweepstakes cannot.
B) contests generate long-term interest in a brand, and sweepstakes generate immediate interest.
C) contests require skill, and sweepstakes require luck.
D) contests focus on the game, and sweepstakes focus on the brand.