单选题 The most important ______ of his speech was that we Should all work whole-heartedly for the people.

【正确答案】 D

【答案解析】本题考查名词辨析。point“要点，论点”；element“要素，元素”；spot“斑点，污点，地点，场所”；sense“官能，感觉”。句意为：他发言最重要的论点是我们应该全心全意为人民服务。