[单选题]
A single slit, which is 06ibkmhvc* u hi;4u956w pb8q b.050 mm wides77m+gcje(u jv,h ux3, is illuminated by light of 550 nm wavelength. What is tm7x hej7s uv,(cu+ 3jghe angular separation between the first two minima on either side of the central maximum?
A. $0.36^{\circ}$
B. $0.47^{\circ}$
C. $0.54^{\circ}$
D. $0.63^{\circ}$