[单选题]
Light of wavelength * vq2izdm8 o p0eg x.0d 6ruelvbz*;0k550 nm in air is found o9 ei5x0fj6vzq ca9a,m2;x ws 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. $303 \; nm$