Which of the Following Statements About the Reduction of Epoxides

Which of the following statements about the reduction of epoxides with LiA1H₄ is true?

A) The nucleophile is a hydride (H^-) .
B) The reaction follows S_N1 mechanism.
C) In unsymmetrical epoxides, nucleophilic attack of H^- occurs at the more substituted carbon atom.
D) The nucleophile, H^-, is a weak nucleophile.