通读下面的短文，掌握其大意。然后，从每小题的四个选择项中选出可填入相应空白处的最佳选项。

     Sometimes I feel that being the mother of three small children is like operating a large circus (马戏团).  afternoon last week, my three sons were playing peacefully in the back yard (院子),   the ball from one to another. I jumped at the chance to talk to one of my friends  the phone, but before I  to the phone, I could tell the boys had begun to quarrel with each other about something. I rushed out to  peace, but before I got there Charles had  a rock at Mark, and hit him in the eye. By the time I got to the back yard, they had begun to  about this. Even David, the oldest boy, who won’t usually fight with anybody about  , was involved (卷入). First, I  them stop fighting, and then I examined Mark’s eye. I decided that it wasn’t going to develop into a black eye, but I felt that they should  at least a little for  they had done. “I’m going to  to your father about this when he comes home tonight,” I said. “He and I will think of how to punish you.” Things were  quiet after that for about half an hour, and then Charles  a glass in the kitchen, and at almost the same  , Mark fell out of the apple tree.