How Can a Hydrogen Atom,which Has Only One Electron,have So

Multiple Choice

How can a hydrogen atom,which has only one electron,have so many spectral lines?

A) The electron is able to move at various speeds.
B) The protons in the nucleus are also giving off various light frequencies.
C) One electron can be boosted to many different energy levels.
D) The atomic radius of the hydrogen atom is relatively large.