The correct answer is (B) To enjoy; to take pleasure; to make merry; to carouse; to feast; to be riotously festive; to throw away (money, time) on. Also, to take intense pleasure or keen delight in.

Revel comes from Old French reveler (to create an uproar).

Examples of use:

• She revels in her new position at the country club.
• They reveled on New Year's Eve until three in the following morning.