阅读下列短文,从每题所给的A.B.C和D项中,选出最佳选项。
“The first and best of victories is for a man to conquer himself; to be conquered by himself is, of all things, the most shameful,” says Plato. Self-control is at the root of all the advantages. Let a man give in to his impulses(冲动) and feelings, and from that moment he gives up his moral(道德) freedom.