Correct option is A
The correct synonym of the given word is (a) Cordial.
Congenial: Pleasant and friendly, making you feel comfortable.
Synonyms: Cordial, agreeable, friendly, amiable.
Antonyms: Harsh, hateful, unfriendly, disagreeable.
Meanings of all options:
· Cordial: Warm and friendly in manner.
· Harsh: Unpleasantly rough or jarring.
· Hateful: Filled with or showing hate.
· Unfriendly: Not friendly or welcoming.