[单选题]
A diffraction grating has 5000 lines per cm. The angle be3v u zkbiy81;ktween t x0o1e e;/vthfn4bx3-if/ ujphe central maximum and the fo0 ;3 tvbu/xf4efnjie-o1ph/x urth order maximum is $47.2^{\circ}$. What is the wavelength of the light?
A. $138 \; nm$
B. $183 \; nm$
C. $367 \; nm$
D. $637 \; nm$