如图甲表示某原核细胞中一个基因进行的某项生理活动，图乙是图甲中C部分的放大．若该基因中碱基T为m个，占全部碱基的比值为n．下列相关叙述正确的是（　　）

根据短文内容判断下列句子的正误。

A

    Baseball isone of the most popular sports in the USA. Each team has nine players. The baseball season goes from April to September. The members of the important baseball teams become heroes (英雄). At the end of the season, the two top teams play together. Lots of baseball fans go to watch the games. There are also thousands of baseball fans listening to the radio or watching TV. People always talk about the games. They still talk about the results (结果) and the players, even if (即使) the games are over. American football is more popular than baseball in the USA. When the baseball season ends, the football season begins. When there is an important American football game, millions of people sit in front of the TV set to watchit. Many people even sit beside the radio to hear the result when they are working.

下列估测数据中，最接近实际的是（　　）