单项选择题
A.0.95 B.1.00 C.1.05 D.1.10
A.5365 B.5410 C.6100 D.6150
A.M=2900kN·m,V=1160kN B.M=4350kN·m,V=1160kN C.M=2900kN·m,V=1050kN D.M=3650kN·m,V=1050kN