[单选题]
A 500-N weight sits on the small piston of a hydraulic macxy( rrbd+z v;/hine. The small pc ,49cbgm7gjliston has area 9l g4,jccg mb7$2.0 \; cm^{2}$. 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. $40000 \; N$
