Fact Pattern 4-2 Wally,a Law School Student,is an Intern for Rebecca,an Assistant Professor

Fact pattern 4-2
Wally,a law school student,is an intern for Rebecca,an assistant professor who is attempting to get tenure at Imperial Law School in part by getting an article published on the right to a jury trial.Rebecca asks Wally to explain to her the right to a jury trial under the U.S.Constitution as applied to jury trials involving state law.
-Refer to fact pattern 4-2.What should Wally tell Rebecca regarding whether the U.S.Constitution requires that jury trials be held in federal civil court cases applying state law?

A) That the U.S.Constitution requires that a jury trial be held only if the controversy exceeds the amount of $75,000 and the parties involved are all residents of the same state.
B) That the U.S.Constitution requires that a jury trial be held in all such trials.
C) That the U.S.Constitution does not provide the right to a jury in such situations.
D) That the U.S.Constitution provides that when a federal court has jurisdiction in a case based solely on diversity of citizenship,the federal court should require a jury trial only if a state court in that state would require a jury trial.