Select the example where the court has established personal jurisdiction over the defendant. a.) Maria is a resident of and business owner in the state of California, but she is being sued in Oregon by her former employee. Maria was personally served a summons three weeks ago. Although she has no substantive connections to Oregon, she has since responded to the summons, appeared in the action, and filed an answer to the complaint. b.) John receives a summons at his home in Maine, notifying him that a complaint has been filed against him in Virginia. The lawsuit was initiated by Tom, a resident of Virginia, and relates to a fistfight that occurred between them at a bar in Massachusetts. John is a resident of Maine, and does not have any personal or business connections to Virginia. c.) Trey, who is a resident of Alabama, opened his mail and discovered a notice of complaint and a summons to appear in court in Nebraska. The lawsuit against him relates to a minor car accident that occurred in Alabama between him and Francis, a Nebraska resident. d.) Hadley is being sued by her former business partner. Both Hadley and the plaintiff are residents of Texas, and their business was located in Texas as well. Hadley recently fled to Mexico, though, and the court's process server has been unable to locate her to deliver a summons