`SnCl_(4)` stannic chloride hydrolyses in dilute solution as per given reaction `SnCl_(4)+4H_(2)Oto[Sn(OH)_(4)]+4HCl`. Hydrolysis can be repressed by adding compound `"A"`.`SnCl_(4)+A to B, B` can be:
A. `Sn(OH)_(4)`
B. `SnCl_(2)`
C. `H_(2)SnCl_(6)`
D. `Sn(OH)Cl`
