Using the Felony Murder Rule, What Happens If the Defendant

Using the felony murder rule, what happens if the defendant is acquitted of the underlying qualifying felony?

A) Nothing, the defendant can still be found guilty of the felony murder using strict liability standard
B) Both the underlying felony and the felony murder are under the specific intent requirements therefore acquittal for one means acquittal for both
C) The defendant cannot be found guilty of the felony murder using the strict liability standard but can be found guilty only by using the statutory mens rea standard for the murder
D) Nothing, the defendant can still be found guilty of the felony murder using the limited intent standard