被除数和除数乘或除以相同的数（零除外），商不变。

(A)

    China Youth says that more and more girl students have entered colleges to study in the recent few years. As we know, once the number of boys was larger than that of girls, and boys did much better than girls in our country for a long time. Now, things have changed a lot.

    In recent years, the proportion of girl students is growing fast. In 1998, about 39.7% of college students were girls. In 2000, it was 41.07% and in 2001, the number was 42.14%.

    There are several reasons for this.

    Firstly, there is little difference between boys and girls in their intelligence(智力). That's to say, girls are as clever as boys. And boys have more interests than girls, so they may not always do well in their study.

    Secondly, girls are more careful than boys. They work harder at school and they do better in all exams. Another reason is that with the development of society, people pay more and more attention to girls' education.

2016年6月，中国外长王毅在第四届世界和平论坛上谈及近期南海问题时指出，二战期间，日本侵占南沙群岛；二战结束后，中国政府根据开罗宣言等国际条约依法、公开地收复了南沙群岛，“中国和美国当时是盟友，中国军队当时是坐着美国的军舰收复南沙群岛的，这一点美国朋友应该非常清楚。”王毅谈话的主要意图是（    ）