[单选题]
A 400-m tall tower casts a 60u: d6p. vdcg2dm/ 7glh0-m long shadow over a level ground. At what ang1f7k8-.wihg j momyb2 le is the Sun elevated above 8hw m12fobg7mjk -.yi the horizon?
A. $34^{\circ}$
B. $42^{\circ}$
C. $48^{\circ}$
D. can't be found; not enough information
