Given the Three Molecules Listed Below, Which Choice Is Best

Multiple Choice

Given the three molecules listed below, which choice is best?
I. CH₃OH
II. H₂S
III. CH₃CH₃

A) Hydrogen bonding is the dominant intermolecular force only for I.
B) Hydrogen bonding is the dominant intermolecular force for I and II.
C) Hydrogen bonding is the dominant intermolecular force for I, II, and III.
D) Hydrogen bonding is not important for any of these molecules.
E) None of these choices is correct.