A friendly dog met us at the farmgate.

A. hostile

B. quiet

C. understanding

D. helpful

Answer: Option A

Solution(By Examveda Team)

Friendly : kind and pleasant.
Hostile : showing or feeling opposition or dislike; unfriendly.
Quiet : making little or no noise.
Understanding : the ability to understand something; comprehension.
Helpful : giving or ready to give help.

Antonym of Friendly is Hostile