For the Cannizzaro reaction in which of the statement is true regarding order and molecularity of the reaction ?
A. `R=K [Ald]^(2)[OH^(-)]^(2)` , 4th order, bimolecular
B. `R=K [Ald]^(2)[OH^(-)]`, 3rd order, bimolecular
C. `R=K [Ald]^(2)[OH^(-)]^(2)`, 4th order, tetramolecular
D. `R=K[Ald]^(2)[OH^(-)]`, 3rd order, trimolecular