题目内容：
One day, the principle(校长) came into our room and, after talking to the teacher, for some reason said: “I wish all of the white students to stand for a moment.” I rose with the others. The teacher looked at me and, calling my name, said: “You sit down for the present, and rise with the others.” I did not quite understand her. She repeated: “You sit down now, and rise with the others.” I sat down puzzled. I saw and heard nothing. When the other were asked to rise, I did not know it. When school was dismissed, I went out unconsciously. A few of the white boys laughed at me, saying: “Oh, you’re a nigger, too.”I hurried on as fast as I could to where my looking-glass hung on the wall in my own little room. For an instant I was afraid to look, but when I did, I looked long and earnestly. I was accustomed to hearing remarks about my beauty, but now, for the first time, I became conscious of it and recognized it. I noticed the ivory(象牙) whiteness of my skin, the beauty of my mouth, the size and the liquid darkness of my eyes. I ran downstairs and rushed to where my mother was sitting. I buried my head in her lap and cried out: “Mother, tell me, am I a nigger?” I could not see her face, but I felt her hands on my head. I looked up into her face. There were tears in her eyes and I could see that she was suffering for me. And then it was that.
I looked at her critically for the first
参考答案：