Which postulate explains why a tripod will not tip over?

AA line contains at least two points.
BA plane contains at least three noncollinear points.
CSpace contains at least four noncoplanar points.
DIf two planes intersect, then their intersection is a line.

Verified Answer :

Tripod will not tip over because: a plane contains at least 3 noncollinear points .
Answer: B ) 

Space contains at least four noncoplanar points  postulate explains why a tripod will not tip over 
 three noncollinear points determine  a plane