When a Federal Court Has Exclusive Jurisdiction Over a Matter

When a federal court has exclusive jurisdiction over a matter:

A) state courts may try cases on that matter
B) state courts may try cases on that matter if they pay the federal court a fee
C) state courts may not try cases on that matter unless the plaintiff agrees
D) state courts may not try cases on that matter unless the federal courts are backlogged
E) none of the other choices are correct