[单选题]
The critical angle for a substance is measuret pz0uab 94.0aqmvbs0d at xw (fb ogq)yk2yv(2pv( 7z: mm$57.3^{\circ}$. 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.
