Which Statement Best Explains Why Alcohols Have a Higher Boiling

Which statement best explains why alcohols have a higher boiling point than alkanes with a similar molar mass?

A) Alcohols have weaker intermolecular forces than alkanes.
B) Alcohols have London forces only and alkanes have dipole-dipole attractions.
C) Alcohols have strong hydrogen bonding forces between molecules and alkanes have weaker London forces.
D) Alcohols have stronger London forces than alkanes.
E) None of the choices are correct.