Why is this happening?

An Admin has set up option constraints in the Universal Container sandbox where Product A depends on the selection of Product B. During testing, it is determined that Product A can be selected regardless of whether Product B has been selected or not.

Why is this happening?
A . Product A was set up as the Constrained Option.
B . The Option Constraint was set up with type “Dependency.”
C . Product B was set up as the Constraining Option.
D . The Option Constraint has not been activated.

Answer: D