完形填空（（共15小题，计15分） 通读下面的短文，掌握其大意，然后在各题所给的四个选项中选出一个最佳选项。 Some years ago, on a hot summer day, a little boy decided to go for a swimming in the river near his house. Heinto the river. He swam and swam.he didn’t find he was swimming towards the middle of the river and there was an alligator (鳄鱼) in the river. His mother in the house looked out of the____and saw the two getting closer and closer. She ran towards the river_____and shouted at her son as loud as she could. The little boy heard his____voice and swam back to his mother. But it was too_____. Just as he reached her, the alligator_____him. The mother caught her little boy by the arms just as the alligator caught his legs. The alligator was much____than the mother, but the mother___her best to save her son. Later, a farmer happened to drive by, and shot the alligator____. After several weeks in the_____, the little boy got well .There were scars(疤痕)on his_____and arms. A newspaper reporter went to_____him and asked if he would show his scars. The boy_______, and then______great pride, he said to the reporter while showing him his leg, “But look at my arms! I have great scars on my arms, too. They are scars of love .”