[单选题]
When atmospheric pressure chaxq /o+o61 oi.. ose nul(:albsng5asr9 hlrz2 orpy2+4w es, what happens to the absolute pressure at the bottom of a paw54yol2rh2pz 9rrs +ool?
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.