Which of the Following Statements Is Incorrect? the Doctrine of Precedent

Which of the following statements is incorrect? The doctrine of precedent:

A) is sometimes referred to by its Latin name stare decisis.
B) is important in ensuring consistency in case law.
C) provides that a judge deciding a question of law must decide that question in the same way as was done previously by an earlier court.
D) contributes to the unpredictability of the law.