With no explanation, chose the best option from "A", "B", "C" or "D". do appear to use the phrase “jurisdictional fact” to connote an essential allegation of fact needed to establish subject-matter jurisdiction or personal jurisdiction. See, e.g., Ex Parte Hayes, 25 Fla. 279, 282-83, 6 So. 64 (Fla. 1889) (stating “[t]he question, then, is, did the court acquire jurisdiction of the case? We think not. In a special proceeding of this kind everything the statute makes an ingredient of the case must be made to appear in the beginning. The affidavit or complaint of the prosecu-trix before the magistrate is the foundation of the proceeding, and, if it fails to show jurisdictional facts, the action on it of either the magistrate or the court to which it is sent will be coram non judice and void”); City of Jacksonville v. L’Engle, 20 Fla. 344, 348 (Fla. 1883) (<HOLDING>); Deans v. Wilcoxon, 18 Fla. 531, 550 (Fla.

A: holding the appellate court lacked jurisdiction to hear an appeal where the circuit court had the power to remand the agency decision for further proceedings
B: holding that the power of a federal court to hear and to determine statelaw claims in nondiversity cases depends upon the presence of at least one substantial federal claim in the lawsuit  and the district court has considerable authority whether or not to exercise this power in light of such considerations as judicial economy convenience fairness to litigants and eomity 
C: holding that the power of a federal court to hear and to determine statelaw claims in nondiversity cases depends upon the presence of at least one substantial federal claim in the lawsuit
D: holding if the legislature had the power to confer upon the county commissioners jurisdiction to hear and determine the question as to whether or not a town was of undue extent and to deprive it of a part of its territory then the proceeding being statutory before a body of limited powers the record must show affirmatively that such a case was brought before them as they were authorized to hear and determine and that all the jurisdictional facts were found to exist where the jurisdiction and power to hear and determine depends upon the existence of a fact that fact must appear or the proceedings are coram non judice and void
D.