题目

—Is the boy's first name Tony? —_________. A . Yes, it is B . No, he isn't C . Yes, it isn't D . Yes, he is 答案：A下列内容中，标志着我国世袭制代替禅让制的是A. 禹传位伯益B. 禹之子启继位称王C. 禹铸九鼎D. 禹在涂山召见部落首领