In What Way Does a Civil Law System Differ from a Common

In what way does a civil law system differ from a common law system?

A) In a civil law system,provinces have jurisdiction to appoint judges to superior courts.
B) Judges in a civil law system must apply a relevant provision of the Civil Code,even if doing so would produce an unjust outcome.
C) Judges in a civil law system are not bound by how other judges have interpreted the Civil Code.
D) In a civil law system,tort and contract laws are established by precedent.