6860. Ramnath is such a sham that it is difficult to get along with him.

✅ The correct answer is option A.
Pretender : a person who claims or aspires to a title or position.

Unnatural : contrary to the ordinary course of nature; abnormal.

Blunt : (of a cutting implement) not having a sharp edge or point.

Farcical : relating to or resembling farce, especially because of absurd or ridiculous aspects.

Sham : a person who pretends to be someone or something they are not.

Synonym of Sham is Pretender