The following table gives the number of protons and neutrons in the nuclei of various atoms. protons neutrons Atom A 28 29 Atom B 26 29 Atom C 28 28 Atom D 27 30 Which of the following is true (select all that apply)? Atom C is an isotope of Atom A. Atom C has the same mass number as Atom A. Atom D has the same mass number as Atom A Atom B has the same mass number as Atom A. Atom D is an isotope of Atom A. Atom B is an isotope of Atom A.