[单选题]
A substance has an index of re8jc .c; kt*-yvstpr5wfraction of 1.46.3gak dn,plhp ;) , -v1bmmdi:r Light is passing through it at lmma)hr-idvn bdgp , 1:k3,;p$53.0^{\circ}$. At what angle will it leave into the air?
A. It will not leave.
B. $59.1^{\circ}$
C. $43.2^{\circ}$
D. $33.2^{\circ}$
