Which of the Following Is an Example of an Intimate

Which of the following is an example of an intimate zone experience?

A) Harry enjoys playing a competitive game of chess with his dad.
B) Treyvon likes the privacy of his desk at work due to its location in a corner cubby behind partitions.
C) Constance attends a trade show at a large conference hotel in a nearby city. Her guestroom is on the 21st floor, so she experiences many interactions in crowded elevators.
D) On those rare occasions when Gwyneth finds the time to spend an entire day at the beach, she always looks for a space "two blankets" away from other beachgoers.