Which of the Following Is True of How Legal Precedent

Which of the following is true of how legal precedent is used between courts of different states?

A) Courts of a state cannot cite the judicial decisions of courts of another state in its decisions.
B) Courts of a state must always follow precedent set from courts of another state for similar cases.
C) Courts of a state can use precedent from courts of another state as a form of guidance.
D) Courts of a state cannot challenge the precedence of courts of another state.