When a Water Molecule Forms a Hydrogen Bond with Another

When a water molecule forms a hydrogen bond with another water molecule,which atoms are involved in the interaction?

A) a hydrogen from one molecule and a hydrogen from the other molecule
B) a hydrogen from one molecule and an oxygen from the other molecule
C) an oxygen from one molecule and an oxygen from the other molecule
D) an oxygen and a hydrogen from the same molecule
E) two hydrogens from one molecule and one hydrogen from the other molecule