As per an axiom in euclidean geometry, if points lie in a plane, the containing those points also lies in the same plane?

a) two/plane
b) three/plane
c)two/line
d)three/line

These are some of the axioms of Incidence , the relation between points, planes and lines. 
Any plane contains at least three points and for any three points that do not lie on the same line there is a one and only one plane that contains them.

Every line contains at least two distinct points.

According to this, if two points lie in a plane, the containing line of those points also lies in the same plane.