The correct answer is merrymaking.
A. belief in divine revelation
D. wakeup signal
The correct answer is (C) Merrymaking; boisterous festivity; the act of reveling.
Revelry comes from Middle English revelrie, Old French reveler (riot).
Examples of use:
- The sounds of revelry could be heard on the opposite shore of the lake.
- The revelry marked a brief release from the stress of a difficult semester.