The correct answer is rendezvous.
B. cessation of hostilities
The correct answer is (D) A rendezvous; an appointed place of meeting; an appointment to meet at a certain time and place, particularly one made secretly by lovers.
Tryst comes from Middle English triste (meeting place for a hunt), Old French tristre (station to watch in hunting). It probably is Scandinavian in origin.
Examples of use:
- She was determined to keep her tryst at the botanical gardens.
- He had only a fading recollection of their tryst in the woods.