[单选题]
A package of suppliesxfizl wm2k8 nk0fc08hfa10 .h is dr*fp a l63-)rekzyjqk5opped from a plane, and one second later a second package is dropped. Neglf)z53jy * lpk ear-q6kecting air resistance, the distance between the falling packages will
A. be constant.
B. decrease.
C. increase.
D. depend on their weight.
