[单选题]
A projectile is launched with an initial velocity of 60.0b: y+vpayku29 m/s at an angle f(*rfw4eyt hf z,sj 2;of $30.0^{\circ}$ above the horizontal. What is the maximum height reached by the projectile?
A. $22.96 \; m$
B. $45.9 \; m$
C. $59.7 \; m$
D. $68.9 \; m$
