Which of the statements are correct about the internal or intramolecular Cannizzaro reaction given below ?
A. `overset(Θ)(OH)` attacks at C-1 of `(CHO)` group.
B. `overset(Θ)(OH)` attacks at C-2 of `(C=O)` group.
C. `H^(Θ)` transfer takes place from C-1 to C-2.
D. `H^(o+)` exchanges from acid to alcohol ion.