问题详情

What function does the first sentence in the second paragraph serve？

A．It further explains the theory of utilitarianism.

B．It forms a contrast to general cases of utilitarianism.

C．It acts as the connecting link to bring up the theme.

D．It gives an example to explain utilitarianism in particular cases.

请帮忙给出正确答案和分析，谢谢！