A CompoundX Has a Molecular Ion Peak in Its Mass

A compoundX has a molecular ion peak in its mass spectrum at m/z 136. What information does this tell us aboutX?

A) X has a molecular mass of 136.
B) Statements (X has a molecular mass of 136) , (The molecular formula forX is C₈H₈O₂) , and (The empirical formula forX is C₄H₄O) are all true.
C) Both A (X has a molecular mass of 136) and B (The molecular formula forX is C₈H₈O₂) are true.
D) The molecular formula forX is C₈H₈O₂.
E) The empirical formula forX is C₄H₄O.