A gambler lost 1000 rupees at a racetrack but he was not upset. He said, "I would have spent the money on any other thing any way". Which defense mechanism does his statement involve?

(A) Undoing
(B) Reaction formation
(C) Denial
(D) Rationalization

A gambler lost 1000 rupees at a racetrack but he was not upset. He said, “I would have spent the money on any other thing any way”. Which defense mechanism does his statement involve?