What made Alice so upset?A.Peter's leaving without saying goodbye为什么错
问题描述：
What made Alice so upset?A.Peter's leaving without saying goodbye为什么错
Peter had left without saying goodbye
答
Peter's leaving without saying goodbye是对的 是所属格
问题中疑问词是what而不是why
答句中without saying goodbye是状语 省略不看 代入即为Peter's leaving made Alice upset
如果是why那就应该选D