[单选题]
A monochromatic light is incidza:5zk9lb s5fent on the surface of a metal with work function 2 ksa5z :zb9l5ff 8y b6ksqv*ajfozdzn: ;-,f:.50 eV. If a 1.0-V stopping potential is required to make the photocurrent zero, what is the wavelength oas:df:- nzv,*b6 zjof8;fq yk f light?
A. $354 \; nm$
B. $423 \; nm$
C. $497 \; nm$
D. $744 \; nm$