[单选题]
White light is spread out into5 pk2yk fqk1c/adrjo(tr3n6gl 1 79an spectraln3b:r,p s t2 qa,b7)ta+vozbf hues by a grating. If the grating has 2000 lines per centimeter, at what angle will red light (640 nm) appeaa7: ftq+psnbbv32,ao )t, rb zr in the first order?
A. $3.57^{\circ}$
B. $7.35^{\circ}$
C. $11.2^{\circ}$
D. $13.4^{\circ}$
