6296. Whatever opinion he gives is sane.

✅ The correct answer is option D.
Arrogant : having or revealing an exaggerated sense of one’s own importance or abilities.

Wild : (of an animal or plant) living or growing in the natural environment; not domesticated or cultivated.

Obscure : not discovered or known about; uncertain.

Rational : based on or in accordance with reason or logic.

Sane : (of a person) of sound mind; not mad or mentally ill.

Synonym of Sane is Rational