The Electrochemical Reaction Below at 25°C Written in Standard Cell

The electrochemical reaction below at 25°C written in standard cell notation.
Pt|H₂ (1 atm) |H⁺(pH=1) ||Cd²⁺(0.240 M) |Cd

-Refer to Exhibit 17-4. Which of the following is the chemical equation corresponding to the standard cell notation above?

A) Cd(s) + H₂(g) ? Cd²⁺(aq) + H⁺(aq)
B) Cd²⁺(aq) + H⁺(aq) ? Cd(s) + H₂(g)
C) Cd²⁺(aq) + H₂(g) ? H⁺(aq) + H⁺(aq)
D) H⁺(aq) + H⁺(aq) ? Cd²⁺(aq) + H₂(g)
E) None of the above