The order of the oxidation state of the phosphours atom in `H_(3)PO_(2),H_(3)PO_(4),H_(3)PO_(3)` and `H_(4)P_(2)O_(6)` is
A. `H_(3)PO_(4) gt H_(3)PO_(2) gt H_(3)PO_(3) gt H_(4)P_(2)O_(6)`
B. `H_(3)PO_(4) gt H_(4)P_(2)O_(6) gt H_(3)PO_(3) gt H_(2)PO_(2)`
C. `H_(3)PO_(2) gt H_(3)PO_(3) gt H_(4)P_(2)P_(6) gt H_(3)PO_(4)`
D. `H_(3)PO_(3) gt H_(3)PO_(2) gt H_(3)PO_(4) gt H_(4)P_(2)O_(6)`
