For the Rate Law Given Below,what Would Happen to the Rate

Multiple Choice

For the rate law given below,what would happen to the rate of a reaction if the concentrations of [A] and [B] were doubled?
Rate = k[A][B]

A) The rate would stay the same.
B) The rate would double.
C) The rate would triple.
D) The rate would quadruple.
E) Not enough information is given to know.