The correct order of the stoichiometries of AgCl formed when $$AgNO_3$$ in excess is treated with the complexes : $$CoCl_3.6NH_3, CoCl_3.5NH_3, CoCl_3.4NH_3$$ respectively is

A

3 AgCl, 2 AgCl, 1 AgCl

B

2 AgCl, 3 AgCl, 1 AgCl

C

1 AgCl, 3 AgCl, 2 AgCl

D

3 AgCl, 1 AgCl, 2 AgCl