下列结构示意图中,表示阴离子的是请选择ABCD7H1y/S.G2^:v6T0N.Z7P6`;A3r7y1E:K(G:v2|2T0y'd'R.@9P8H:M
A.:K(G:v2|2T0y'd'R.@9P8H:M
B.:K(G:v2|2T0y'd'R.@9P8H:M
C.:K(G:v2|2T0y'd'R.@9P8H:M
D.:K(G:v2|2T0y'd'R.@9P8H:M