22. Of the statements below, which one can best explain why CH₄ is a gas at STP, while C₈H₁₈ is a liquid and C₂₀H₄₂ is a solid?
(A) C₂₀H₄₂ has the greatest ionic interaction between its molecules.
(B) C₈H₁₈ has a greater amount of hydrogen bonding than CH₄ or C₂₀H₄₂.
(C) There is more dipole-dipole interaction between molecules of greater mass.
(D) There are more Van der Waals (dispersion) forces between nonpolar molecules that are greater in mass.