Answer with explanation:
It is given that , ray AX bisects ∠B AC.
The Meaning of the word bisect is that ,to divide in two equal parts.It may be either a line segment or an Angle.
When a line or line segment or ray, bisects an angle, that angle is divided into two equal parts.
So, ∠B AX =∠C AX→→∠BAC is bisected by ray AX.
Option D