Final answer:
Reaction formation is the defense mechanism described in the question, where a person expresses opposite feelings, thoughts, and behaviors to their true inclinations. option c.
Step-by-step explanation:
The defense mechanism described in the question is reaction formation. Reaction formation is when a person expresses feelings, thoughts, and behaviors opposite to their true inclinations. In the examples given, an aggressive person becomes a professional soldier, a greedy person becomes a successful businessperson, and a person who tends to lie becomes a creative writer. The defense mechanism described in the question is reaction formation. Reaction formation is when a person expresses feelings, thoughts, and behaviors opposite to their true inclinations. They are channeling their unacceptable impulses into socially acceptable activities.