[单选题]
A package of supplies is dropped froi, xaa44vap:pw0l o9 tm a plane, ankn k2 (w+hf-n;rwjnv) d one second later a second package is dropped. Neglecting air resistance, the distance between the falling packageskwn+;nhk2n (rw-fj v) will
A. be constant.
B. decrease.
C. increase.
D. depend on their weight.
