When an Electron Moves from the N = 1 to the N

When an electron moves from the n = 1 to the n = 2 orbit:

A) both the radius and the angular momentum double.
B) both the radius and the angular momentum increase by a factor of 4.
C) the radius doubles and the angular momentum increases by a factor of 4.
D) the radius increases by a factor of 4,and the angular momentum doubles.