His attitude is very hostile.

A. friendly

B. kind

C. humane

D. helpful

Answer: Option A

Solution(By Examveda Team)

Hostile : showing or feeling opposition or dislike; unfriendly.
Friendly : kind and pleasant.
Kind : a group of people or things having similar characteristics.
Humane : having or showing compassion or benevolence.
Helpful : giving or ready to give help.

Antonym of Hostile is Friendly