[单选题]
When atmospheric pressure changes, what happenweoe*ye4 lb7q/cj0t 7ihu+p6lik9s 5.v81f 3xlui lhs to the absolute pressure at the bottom of avihu s9. l6pfk h1x58+l3iiul pool?
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.