[单选题]
A 500-N weight sits on the small piston of a hydraulic machine. The sma l6 aaus4lef,6yne(b.)8en m lll sfg sx+gm934j piston sg3s4+m9gf xj has area $2.0 \; cm^{2}$. If the large piston has area $40 \; cm^{2}$, how much weight can the large piston support?
A. $25 \; N$
B. $500 \; N$
C. $10000 \; N$
D. $40000 \; N$
