[单选题]
A 400-m tall tower cafiug -4 d0aw78vwt5rf ezg86z1-jz2n7f c8 eez p5tm hsts a 600-m long shadow over a level ground. At what angle z167f-hzjpcge zmz2eet n588 is the Sun elevated above the horizon?
A. $34^{\circ}$
B. $42^{\circ}$
C. $48^{\circ}$
D. can't be found; not enough information
