第二节短文改错（共5小题；每小题1分。满分5分）

假定英语课堂上老师要求同桌之间交换作文，请你修改你同桌写的一篇作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加，删除或修改。

增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。

删除：把多余的词用斜线（\）划掉。

修改：在错词下面划一横线，并在该词下面写出修改后的词。

注意：1.每处错误及其修改均限一词。

2.只允许修改10处，多着（从第11处起）不计分。

My interest has been in books instead  in food since I went to high school. In the past I was real interested in all kinds of food. In summer day I liked to buy ice cream and cold drink, while in while I liked to buy sweets and some another food. Whenever I went for a walk with my parents I would ask them buy me something. However, after I went to the high school, I found I was putting on weight. So, I had to give up habit of eating my favorite foods. Now I like to spend money on all kinds of books, and my parents were always complaining that I am a money spender.

该企业盈亏临界点销售额为( )元。

A．3000

B．40000

C．50000

D．45000