Which of the following change at equilibrium will shift reaction in backward direction:
`Fe^(3+)(aq)+SCN^(-)(aq)hArrFe(SCN)^(2+)(aq)`
A. Addition of water
B. Addition of `KOH(aq)[Fe(OH)_(3)` is insoluble in water]
C. Addition of `NaNO_(3)(s)`
D. A and B both