Which of the Following Statements About Novae Is Not True

Which of the following statements about novae is not true?

A) When a star system undergoes a nova, it brightens considerably, but not as much as a star system undergoing a supernova.
B) Our Sun will probably undergo at least one nova when it becomes a white dwarf about 5 billion years from now.
C) A star system that undergoes a nova may have another nova sometime in the future.
D) A nova involves fusion taking place on the surface of a white dwarf.
E) The word nova means "new star" and originally referred to stars that suddenly appeared in the sky, then disappeared again after a few weeks or months.