The reaction
`(1)/(2)H_(2)(g)+AgCl(s)hArrH^(+)(aq)+Cl^(-)(aq)+Ag(s)`
occurs in the galvanic cell
A. `Ag//AgCl(s)KCl(sol)||AgNO_(3)(sol)|Ag`
B. `Pt//H_(2)(g)|HCl(sol)||AgNO_(3)(sol)|Ag`
C. `Pt//H_(2)(g)|HCl(sol)||Cl^(-)|AgCl(sol)|Ag`
D. `Pt??H_(2)(g)|KCl(sol)||AgCl(sol)|Ag`