閱讀下面短文，掌握其大意，從每小題所給的 A、B、C 三個(gè)選項(xiàng)中選出最佳選項(xiàng)。

　　A little boy invited his mother to his school’s first teacher-parent meeting. He never thought

　　that she would 41 . But she did. He felt worried. 42 she was a beautiful woman, there was a scar(傷疤) that covered nearly the whole right side of her face.

　　At the meeting, the boy was 43 to see other people having a good talk with his mother. But he felt sorry for his mother’s face and sat in a chair 44 his mother. Just then he heard a talk 45 his mother and his teacher.

　　“How did you get the scar on your 46 ?” the teacher asked. She replied, “When my son was a baby, his room caught on fire one day. 47 was too afraid to go in, so I went in and ran towards his bed. Just then I saw a beam(橫梁) coming down and I placed myself over him trying to 48 him. I was knocked but luckily, a fireman saved both of us.” She touched the scar.

　　“This scar will be here forever, but I have never regretted 49 I did for my son. You see, he is strong and healthy now.”

　　Hearing that, the little boy came out running to his 50 with tears in his eyes. He hugged

　　(擁抱) her and held her hand tightly(緊緊地) for the rest of the day.