[单选题]
A ball is thrown downward from the top of a building with +).t nkqom* 6f+i*kc ousch8dan initiado+9v fo8(z hzo0u c+p (9wywcl speed of 25 m/s. It strikes the ground after 2.0 s. How high (voo+0hz8dw9pw+ z cy9c(ofuis the building?
A. $89.2 \; m$
B. $50.0 \; m$
C. $19.6 \; m$
D. $69.6 \; m$