Which of the Following Most Accurately Portrays the Practice Direction

Which of the following most accurately portrays the Practice Direction on judicial precedent ([1966] 1 WLR 1234) ?

A) The Court of Appeal (Criminal Division) can overrule itself if a miscarriage of justice would be caused if this did not happen.
B) The Supreme Court is bound by itself.
C) The Supreme Court will normally be bound by itself but may overrule itself if it is necessary to do so.
D) The Court of Appeal (Civil Division) is bound by the Court of Appeal (Criminal Division) .