As the named executor of Lucia's estate, Ruben decides to proceed through informal probate rather than formal. Lucia's estranged sister, Maria, who isn't mentioned in Lucia's will, wants to challenge Ruben's appointment by the registrar as the executor. Ruben, a friend of Lucia's, never went to college, and Maria feels he isn't qualified to serve as the executor. Maria plans to petition the court to settle the matter.

Which of the following statements is true?

A) One of the features of informal probate is that an interested party, Maria, can petition the court to settle a matter in dispute.
B) Because Ruben has selected to use informal probate, the probate court can't be asked to get involved.
C) Because Maria isn't mentioned in the will, she doesn't have standing to petition the court.
D) Maria should petition the named beneficiaries of the will rather than the probate court.