Fill in the blank with the most suitable word.
Remember that, little sister: wait for a man to ______ your honour, and you’ll wait forever.

Correct option is D

Use “avenge” to fill in the blank.
 Cheer - to give comfort or support to someone, to make them feel happier or more positive.
 Repeal - to cancel or revoke a law or regulation.
 Comfort - to provide a sense of physical or emotional ease and well-being to someone, to alleviate their distress or discomfort.
 Avenge - to take action to inflict harm or punishment on someone who has wronged oneself or others, to seek retribution for a wrongdoing.
The sentence suggests that waiting for a man to defend or protect one's honor may be a futile effort. Therefore, “avenge” is most suitable option to fill in the blank.