[单选题]
350 nm of light falls on a sinfa9pl-w/ uf/ ued4hi/gdmzffr)9cchbf rq;* 8:qp:q ,p(cy+ fle slit of width 0.20 mm. What is the angular wid c:(q)dp,fy :9r*h zb;f8f +c qrqfmpcth of the central diffraction peak?
A. $0.10^{\circ}$
B. $0.15^{\circ}$
C. $0.20^{\circ}$
D. $0.30^{\circ}$
