In a cell that utilizes the reactions.
`Zn(s) + 2H^(+) (aq) rightarrow Zn^(2+)(aq) + H_(2)(g)`
addition of `H_(2)SO_(4)` to cathode compartment, will
A. lower the E and shift equilibrium to the left
B. lower the E and shift the equilibrium to the right
C. increase the E and shift the equilibrium to the right
D. increase the E and shift the equilibrium to the left