[单选题]
What is the process to obtain polarized light in a dichroic material lu 7n1 a,:xykql ,e*591unnzc ekljo+bi3yw 5b09jf2qy3yfpf-z /gjiske a Polaroid fiyyfy -/qf 2jibp39f0j5g zs 3wlm?
A. reflection
B. refraction
C. selective absorption
D. scattering
