Which Statement Is True Concerning the Spectrum of Hydrogen Obtained

Which statement is true concerning the spectrum of hydrogen obtained from a gas discharge tube?

A) A photon is absorbed as the electron goes from a state with a higher energy to one with a lower energy.
B) An electron is absorbed as the electron goes from a state with a lower energy to one with a higher energy.
C) A photon is emitted as the electron goes from a state with a higher energy to one with a lower energy.
D) A photon is emitted as the electron goes from a state with a lower energy to one with a higher energy.
E) An electron is emitted as the photon goes from a state with a higher energy to one with a lower energy.