[单选题]
A ball is thrown dow;. kp+7qgscreb5.l (ufxw mpr2 1y4tp 8 3ppmq*m,askxul7 :mnward from the top of a building with an initial speed of 25 m/s. It strikes the ground after 2.0p 37mmxpsma q8u*lk,: s. How high is the building?
A. $89.2 \; m$
B. $50.0 \; m$
C. $19.6 \; m$
D. $69.6 \; m$
