The following data were obtained for the reaction between gases A and B.

Which relationship represents the rate expression for the reaction?

A.     \({\text{rate}} = k{{\text{[B]}}^{\text{2}}}\)

B.     \({\text{rate}} = k{{\text{[A]}}^{\text{2}}}\)

C.     \({\text{rate}} = k{\text{[A]}}\)

D.     \({\text{rate}} = k{\text{[B]}}\)

D