阅读下面短文,从短文后各题所给三个选项(A、B、C)中,选出可以填入空白处的最佳选项。
Qian Lei is a student of Class Two, Grade Seven. He is twelve years old. He often wastes (浪费) 1 at home and at school. The teacher worries about him and asks his father 2 with him.
One evening, 3 supper his father asks him," How do you like the vegetables and the meat?" "Oh, they are just so so. They 4 delicious."
"They are delicious, I think," says his father." When I was at your age, I went to school 5 every day. It was ten kilometres from my home to the school. I had 6 bike, no pencil box. I couldn't eat ice cream. There weren't TV sets, fridges, washing machines 7 any other electrical appliances (电器) in my home. After school I had to do a lot of housework 8 my parents. When your grandparents were at your age, they couldn't go to 9 because they were very poor. They had only a little food and they had to do a lot of hard work. There was no light, telephone or radio in their home."
"Didn't they have a telephone or a radio?" says the boy. "Why didn't they 10 some money from the bank to buy these things? I don't believe you."
The father doesn't say anything.