[单选题]
When atmospheric pressure changes, whaty2l1z- 3cjh7ww+r n7fvbtr c x83pm 5u happens to the absolute pressure ami5w1 v/h9s t . nosheepok,9.t the bottom of a poo .e w ,s15kpsne9m/hho9otvi.l?
A. It does not change.
B. It increases by a lesser amount.
C. It increases by the same amount.
D. It increases by a greater amount.