Select the option that can be used as a one-word substitute for the given group of words.

Having a feeling of guilt

Remorse

The correct option is remorse. It means "a feeling of deep regret or guilt for something that one has done wrong." The other options are not correct substitutes.

• Refulgence means "great brightness or radiance."
• Restitution means "the restoration of something to its rightful owner."
• Repugnance means "a strong feeling of disgust or aversion."