下表為用單純形法計(jì)算時(shí)某一步的表格。已知該線性規(guī)劃的目標(biāo)函數(shù)為maxZ=5x1+3x2,約束形式為“≤”,X3,X4為松馳變量.表中解代入目標(biāo)函數(shù)后得Z=10
A.2 B.0 C.0 D.1 E.4/5 F.0 G.-5