[单选题]
A 10-m uniform beam of weilut y;-b/ilna kd*1;zght vwjdcoe5w o:*z y4dubpke )6us -.45v 100 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 tension in the righ4p:w ubk .swdv6edcyvze-oj) u*45o 5t rope?
A. $130 \; N$
B. $250 \; N$
C. $370 \; N$
D. $500 \; N$
