Q: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Fact1: Hydrogen bonds cause water to expand when it freezes., Fact2: Deuterium, or heavy hydrogen, is an isotope of hydrogen, or a hydrogen atom with a neutron added., Question: The bonds of that which when heavy is Deuterium cause what to expand when it freezes? (A) matter (B) rings (C) CO 2 (D) liquids (E) gas (F) solutes (G) cations (H) water
A:
H