[单选题]
How much pressure does it ta;v d idxncyw84z rbwg;:hvh4kl4./ vk- ) -eqske forji*a mg,g jqwb9(4 0rr9 l*u8hd, lemq a pump to supply a drinking fountain with 300 kPa,h ljgb98m,49q*iu*(e grj lw m0aqrd, if the fountain is 30.0 m above the pump?
A. $294 \; kPa$
B. $300 \; kPa$
C. $594 \; kPa$
D. $675 \; kPa$