Antonym of BENIGN

Answer: Option B

Benign : gentle and kind.
Gracious : courteous, kind, and pleasant, especially towards someone of lower social status.
Sinister : evil or criminal.
Novel : a fictitious prose narrative of book length, typically representing character and action with some degree of realism.
Humane : having or showing compassion or benevolence.

Antonym of Benign is Sinister