1. (2016·资阳) 阅读下面短文，从短文后各题所给的A、B、C、D四个选项中选出能填入空白处的最佳选项，并在答题卡上将该项涂黑。    

Black or White

    When I was in elementary school, I got into an argument with a boy in my class. The teacher  1 to teach us a very important lesson.

    She brought us up to the front of the 2 and placed him on one side of her desk and 3 on the other. In the middle of her desk was a large, round object. I could 4 see that it was black. She asked the boy what color the object was. "White," he 5.

    I couldn't 6 he said the object was white, when it was clearly black! Another

    7 started between my classmate and me, this time about the 8 of the object.

    The teacher told me to go 9 where the boy was standing 10 told him to come stand where I had been. We changed 11, and now she asked me what the color of the object was. I 12 answer, "White."

    It was an object with two 13 colored sides, and from his viewpoint (视角) it was white. Only from my 14 it was black.

    I have never  15 the lesson I learned that day. Sometimes we need to look at the problem from the other person's viewpoint in order to truly understand his / her view.