He listened to my request with indifference.

A. caution

B. displeasure

C. concern

D. disinterest

Answer: Option D

Solution(By Examveda Team)

Caution : care taken to avoid danger or mistakes.
Displeasure : a feeling of annoyance or disapproval.
Concern : relate to; be about.
Disinterest : lack of interest in something.
Indifference : lack of interest, concern, or sympathy.

Synonym of Indifference is Disinterest