Which of the Following Statements About Apparent and Absolute Magnitudes

Which of the following statements about apparent and absolute magnitudes is true?

A) A star with an apparent magnitude of 1 appears brighter than a star with an apparent magnitude of 2.
B) The absolute magnitude of a star is another measure of its luminosity.
C) A star's absolute magnitude is the apparent magnitude it would have if it were at a distance of 10 parsecs from Earth.
D) The magnitude system that we use now is based on a system used by the ancient Greeks over 2,000 years ago that classified stars by how bright they appeared.
E) All of the above are true.