[单选题]
How much pressure does it take for a pump to supply a drinking fount ;bufh4sxn..i -y8g r+6xxhtf 6ht5vv a7)c2 mlbh)ov ain with 300 kPa, if the fountain is 30.0 m above the pu o7v )v tv)6bh2hmc5lamp?
A. $294 \; kPa$
B. $300 \; kPa$
C. $594 \; kPa$
D. $675 \; kPa$
