[单选题]
A package of supplieo y:sddk.m6 xs:uv+/au:phl u(5 vo,u*iki +l87kys is is dropped from a plane, and one second later a second package is dropped. Neglecting air resistance, the distance betwellhy uik8(+7v5i sou,*pk :ui en the falling packages will
A. be constant.
B. decrease.
C. increase.
D. depend on their weight.
