I believe the correct answer is A. as a hairy monster. Caliban is represented as a half man, half monster hybrid in both the original play as well as the Balinese production of The Tempest. He is the monster servant of Prospero, the magician who lives on the island and is hated by everyone.
Answer: I think its right, Diane solves problems patently and she can work with patients nicely but the Number Devil helps people solve problems in math and he gets upset easily with the person he is working with.