In a cell that utilises the reaction `Zn_((s))+2H_((aq))^(+)toZn_((aq))^(2+)+H_(2(g))` addition of `H_(2)SO_(4)` to cathode compartment, will
A. Increase the E and shift equilibrium to the right
B. Lower the E and shift equilibrium to the right
C. Lower the E and shift equilibrium to the left
D. Increase the E and shift equilibrium to the left