28 下列何者為評估「個體被其他成員接納或肯定的程度」時常用的社會網絡指標?(A)鄰近核心性(closeness centrality)(B)居間核心性(betweenness centrality)(C)向外連結核心性(out-degree centrality)(D)向內連結核心性(in-degree centrality)