With no explanation, chose the best option from "A", "B", "C" or "D". domicile for diversity purposes. Rodríguez-Díaz, 853 F.2d at 1030, 1033. Typically, “relevant rules of state law provide the basis for the applicable federal common law.” Id. at 1033. In Massachusetts, the domicile of a child is the same as the domicile of the parent who has lawful custody of the child. Durfee v. Durfee, 293 Mass. 472, 478, 200 N.E. 395 (1936) (emphasis added); see also Gil v. Servizio, 375 Mass. 186, 189, 375 N.E.2d 716 (1978) (“The domicile of the ... children [is] the same as the domicile of their parent who has lawful custody of them.”). Accordingly, a parent without lawful custody has “no power to change the domicile of his child while ... subject to a valid decree giving custody to the” other parent. Conley v. Conley, 324 Mass. 530, 534, 87 N.E.2d 153 (1949) (<HOLDING>). Bower was awarded sole legal custody of his

A: recognizing duty of parent to control conduct of child
B: holding that where interference with visitation becomes so pervasive as to harm the childs close relationship with the noncustodial parent there can be a conclusion drawn that the actions of the custodial parent show a disregard for the best interests of the child warranting a change of custody
C: holding that a parent has a right of custody by reason of that parents ne exeat right the authority to consent before the other parent may take the child to another country
D: holding that the domicile of the child follows that of the parent with lawful custody
D.