[单选题]
17.02: A small object is relqee fscxrj1s8;. 4y5x.oud y3eased y2x+8-edehvake2,clwv0 v o/from rest and falls freely for 4.00 s until reaching the ground. What w2v-y2o0e dceva/ +w,xl k8hevas the height above the ground from which the object was released?
A. 10.0 m
B. 20.0 m
C. 40.0 m
D. 80.0 m
E. 160.0 m
