A citizen of State A was killed in a car accident caused by a motorist who was also a citizen of State A. A citizen of State B is the executor of the decedent's estate. The executor files a complaint in federal court in State A asserting a wrongful death claim against the motorist. The motorist files a motion to dismiss on the basis of lack of subject matter jurisdiction. How should the court rule?
A) Grant the motion, because diversity of citizenship does not exist.
B) Grant the motion, because probate matters are within the sole jurisdiction of the state courts.
C) Deny the motion, because diversity of citizenship exists.
D) Deny the motion, because a plaintiff is entitled to choose his forum.