下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个符号（^），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：在错的词下划一横线，并在该词下面写出修改后的词。

注意： 1. 每句不超过两个错误；

2. 每处错误及其修改均只限一词；

3. 只允许修改10处，多者（从第11处起）不计分。

My friend Dick was seven years old, and her sister Katherine was five. One day their mother take them to their aunt’s to play while she went to the city buy some new clothes. They played for a hour, and then their aunt took Dick into the kitchen. She gave him a nicely cake and a knife and said, “Dick, cut this cake in half, and give one of the piece to your sister. But remembering to do it like a gentleman.” “How do gentlemen do it？” Dick asked. “They always give the bigger one piece to the other person,” answered his aunt. Dick thought up this for a few seconds. Then he took the cake to his sister but said to her, “Cut this cake in half, Katherine.”

国家新近出台的海外高层次人才引进计划（简称“千人计划”）指出：中国科学院未来5年内将引进海外高层次人才和领军人才600名，清华大学争取引进50位国际一流大学的知名教授加盟。这一举措[     ]

①是实施人才强国战略的要求

②是建设法治国家的重要目标

③是建设创新型国家的必然要求

④表明我国自主创新能力已走在世界前列

A．①②

B．②③

C．①③

D．②④