The answer is 'b'.

• b. A sociopath has no conscience and feels no guilt even if they do evil things.

A sociopath has NO CONSCIENCE.

He feels no guilt or shame when he lies, cheats or even kills.

He feels superior and although he can fake having real feelings, he has
NO HUMANITY
and might be thought of as effectively…

NOT REALLY HUMAN.

(Illustration from the John Carpenter film “They Live”. Watch it HERE).