If a Hydrogen Atom in the Ground State Absorbs A 20.0

Multiple Choice

If a hydrogen atom in the ground state absorbs a $20.0 \mathrm{eV}$ photon, what kinetic energy of the electron results?

A) $33.6 \mathrm{eV}$
B) this cannot happen
C) $13.6 \mathrm{eV}$
D) $6.4 \mathrm{eV}$
E) $20.0 \mathrm{eV}$