The coach asked his staff to       the large group of journalists waiting for him to announce his training plans.

A．adapt to

B．appeal to

C．refer to

D．attend to

用相邻矩阵法存储一个图时，在不考虑压缩存储的情况下，所占用的存储空间大小只与图中结点个数有关，而与图的边数无关。