单选题 Which of the following is implied by the writer of this passage?

A、 The students of the Civil War usually concentrate on the economy.
B、 The families of the Civil War are extremely worded about their living.
C、 The students of the Civil War usually concentrate on the battlefield.
D、 The families of the Civil War are extremely worded about the government.

【正确答案】 C

【答案解析】从文章第一句可知，美国内战的军事方面总是可以吸引学者最多的注意，因此选项C与原文意思相符。