6938. His wife enjoined him to change his ways.

✅ The correct answer is option C.
Asked : say something in order to obtain an answer or some information.

Pleaded : make an emotional appeal.

Urged : try earnestly or persistently to persuade (someone) to do something.

Threatened : state one’s intention to take hostile action against (someone) in retribution for something done or not done.

Enjoined : instruct or urge (someone) to do something.

Synonym of Enjoined is Urged