Which are appropriate units for the rate of a reaction?

A.     \({\text{mol}}\,{\text{d}}{{\text{m}}^{ - 3}}{{\text{s}}^{ - 1}}\)

B.     \({\text{mol}}\,{\text{d}}{{\text{m}}^{ - 3}}{\text{s}}\)

C.     \({\text{mol}}\,{\text{d}}{{\text{m}}^{ - 3}}\)

D.     s

A