[单选题]
00.14: A beam of light passes from medium 1 to mediu 9qsotfg:m) v mj2;/kxm 2 to medium 3 as shown e,psdw4 n/+pfin the diagram. What may be concluded about the three indexes of refractiof/ ne4wd,sp+pn, n1, n2 and n3?
A. n3 > n1 > n2
B. n1 > n2 > n3
C. n1 > n3 > n2
D. n2 > n3 > n1
E. n2 > n1 > n3
