[单选题]
A monochromatic light is incident on the surfa9vx c2a)ze13tt;h k3e tv l3byce of a metal with work 3 b45mpy:* u*zqlsi0xv5qtfi function 2.50 eV. If a 1.0-V stopping potential is required to make the photocurrent zero, what is the wavelength : tufb34m q0*piy*v ilz5sq x5of light?
A. $354 \; nm$
B. $423 \; nm$
C. $497 \; nm$
D. $744 \; nm$