Given the Equation 3A + B $\to$ C + D,you React 2 Moles of a with 1

Multiple Choice

Given the equation 3A + B $\to$ C + D,you react 2 moles of A with 1 mole of B.Which of the following is true?

A) A is the limiting reactant because of its higher molar mass.
B) A is the limiting reactant because you need 3 moles of A and have 2.
C) B is the limiting reactant because you have fewer moles of B than A.
D) B is the limiting reactant because 3 A molecules react with 1 B molecule.
E) Neither reactant is limiting.