In the US Supreme Court Case Continental T

In the U.S. Supreme Court case Continental T.V. Inc., v. GTE Sylvania Inc., Continental argued that Sylvania violated the Sherman Act by restricting the location of retailers that could sell its product. Which of the following was the result?

A) The court upheld the continued used of the bright line per se rule of illegality for all vertical restrictions.
B) That the rule-of-reason should always be applied when vertical restrictions are involved.
C) That the rule-of-reason standard should be applied in a vertical restriction case unless departure from the rule is justified based upon a demonstrable economic effect.
D) That a per se rule of illegality is applied in a vertical restriction case unless departure from the rule is justified based upon a demonstrable economic effect.
E) That the per se rule of illegality is applied in a vertical restriction case only when a manufacturing defendant is involved; otherwise, the rule-of-reason test applies.