Masahiro Doesn't Get Along with His New Manager, but He

Masahiro doesn't get along with his new manager, but he pretends he does, even to himself. One day, Masahiro's wife points out that he has been picking fights with her since his new boss joined the company and suggests that he's actually angry with his boss. In other words, she is suggesting that Masahiro is using __________ to deal with his feelings for his boss.

A) a defense mechanism
B) synesthesia
C) perception
D) olfaction