In What Case Did a Colorado Court Say That a Law

In what case did a Colorado court say that a law forbidding "gruesome" images on billboards was a narrowly tailored way to protect children?

A) Pleasant Grove City v.Summum.
B) McIntyre v.Ohio Elections Commission.
C) Rice v.Paladin Press.
D) Saint John's Church in the Wilderness v.Scott.
E) U.S.v.Stevens.