Which product, compound A, B, or C, would you expect to be formed when 1-methyl-1,2-epoxycyclopentane of the

Question:

Which product, compound A, B, or C, would you expect to be formed when 1-methyl-1,2-epoxycyclopentane of the absolute configuration shown is allowed to stand in methanol containing a few drops of sulfuric acid? Compare your answer with that given for Problem 16.13.