Which statement correctly explains whether or not this equation is a balanced equation? Na2O H2O → 2NaOH

AThe equation is balanced because it has equal amounts of atoms for each element in the reactants and products.
BThe equation is balanced because it does not follow the law of conservation of mass.
CThe equation is not balanced because there are different numbers in front of the compounds.
DThe equation is not balanced because it has 2 reactants and 1 product.