Which Statement Best Explains Why Propanoic Acid (M

Which statement best explains why propanoic acid (M.W.= 74) boils at a much higher temperature than hexane (M.W.= 86) ?

A) Lower molecular weights tend to boil at higher temperatures.
B) Propanoic acid has weaker intermolecular forces than hexane.
C) Propanoic acid molecules can hydrogen bond with other propanoic molecules but hexane is non-polar and cannot hydrogen bond.
D) Chains with fewer carbon atoms tend to boil at higher temperatures than ones with more carbon atoms.
E) None of the choices are correct.