SAT English Practice Question

The first paragraph of a scientific paper is often referred to as an “introduction.” This paragraph typically outlines the problem that the study seeks to address. Sometimes the introduction will also explain why the study is important. It may also provide some background information about the topic of the study. The introduction is designed to engage the reader and to set the stage for the rest of the paper. What is the most important purpose of an "introduction" in a scientific paper?

1. A.engage the reader and to set the stage for the rest of the paper.
2. B.present evidence to support the study’s findings.
3. C.explain the methods used in the study.
4. D.summarize the conclusions of the study.