[单选题]
The critical angle for , fja8k.ll.c puz-(q za mfl8qyxoy59 e4 297gnk9 poxw substance is measured at $57.3^{\circ}$. Light enters from air at $45.0^{\circ}$. At what angle will it continue?
A. $34.7^{\circ}$
B. $45.0^{\circ}$
C. $53.7^{\circ}$
D. It will not continue, but be totally reflected.
