[单选题]
A 10-m uniform beam of .2p unfjqp4,*px35vqew )rfd czei, io;a0/k weight 100irlsf 4 o o,*9ws82ope N is supported by two ropes at the ends. If a 400-N person sits at 2.0 m from the left end of the beam, what is the ro*of8 ss4ipl9w eo 2,tension in the left rope?
A. $130 \; N$
B. $250 \; N$
C. $370 \; N$
D. $500 \; N$
