Which of the Following Was the Result in Pliva,Inc

Which of the following was the result in Pliva,Inc.v.Mensing,the case in the text before the U.S.Supreme Court involving the issue of whether the federal law requirement that generic drugs must bear the same FDA-approved labels as their brand-name counterparts preempts state law claims for failure to warn?

A) That federal law did not preempt state law claims for failure to warn.
B) That federal law preempted state law claims for failure to warn.
C) That federal law preempted state law claims for failure to warn based on strict liability but that failure to warn claims based on negligence could proceed.
D) That federal law preempted state law claims for failure to warn based on negligence but that failure to warn claims based on strict liability could proceed.