如图所示4个城市按照序号,写出他们用列表存储的关系(有边用1,无边用0)表示
A.edge={{1 0 1 1},{1 0 1 1},{1 1 1 1},{1 1 1 1}}
B.edge={{0 0 1 1},{0 0 1 1},{1 1 0 1},{1 1 1 0}}
C.edge={{0,0,1,1},{0,0,1,1},{1, 1, 0 ,1},{1, 1, 1 ,0}}
D.edge={{1, 0, 1, 1},{1, 0, 1, 1},{1, 1, 1, 1},{1, 1, 1, 1}}