[单选题]
A monochromatic light is incidpf gbwlydb5x,8 s5.(lqqt4em; v rc80ent) o ia2+gg**-yeqptf mfvo:d7 on the surface of a metal with work function 2.50 eV. If a 1.0-V stopping potential is required to make the photocurrent zero oo*7+-2em ditfv* gygq):fpa, what is the wavelength of light?
A. $354 \; nm$
B. $423 \; nm$
C. $497 \; nm$
D. $744 \; nm$