What is the role of Paragraph One in the development of the topic？A．To introduce a feature

What is the role of Paragraph One in the development of the topic？

A．To introduce a feature that the following paragraphs will deal with in detail.

B．To describe the beginning of a story that the passage is going to reveal.

C．To offer supporting evidence to the following paragraphs.

D．To provide a contrast to the following paragraphs.

请帮忙给出正确答案和分析，谢谢！