Answer;
A, B, C are coplanar and also A, B, C are collinear.
Explanation;
-For points to be collinear it means they lie on the same line. For rays to be opposite, they should be in the same line making a 180° or a straight line with each other.
-Coplanar means the points lie in the same plane. For these rays to be opposite and collinear the points should lie in the same plane.