[单选题]
What principle is responsible for alternating light and dar8 vt;m k8rqjj*k blhj vix hig:v-xje190x;vi7u:5p 0mqands when light passes through tvimjx1i9hlip - 0q0u:7xeg; 5: hvvxjwo or more narrow slits?
A. refraction
B. polarization
C. dispersion
D. interference
