[单选题]
Light of wavelength 550 nm ul29r7tt f,w7 irxl5yx qr70yin air gcko czmwd4ys;qv: 04a3ic *95ie)k wis found to travel at $1.96 \times 10^8 \; m/s$ in a certain liquid. Determine the wavelength of the light in the liquid.
A. $550 \; nm$
B. $359 \; nm$
C. $281 \; nm$
D. $303 \; nm$
