[单选题]
How much pressure does it take for a p5lzz+2qab;kx(2 + mlm8uhhz) c3iw e bump to supply a drinking fountain wc +xn1iha5y tv3 j97geith 300 kPa, if the fountain is 30.0 acji5t7v+3xge h1yn 9m above the pump?
A. $294 \; kPa$
B. $300 \; kPa$
C. $594 \; kPa$
D. $675 \; kPa$