Question #N852

The first paragraph of the passage introduces a central idea: the importance of maintaining a positive attitude. The author further develops this idea in subsequent paragraphs by highlighting the ways in which a positive attitude can benefit individuals. For example, the author suggests that a positive attitude can lead to greater success and happiness. The author also notes that a positive attitude can help individuals cope with challenges and setbacks. Which of the following best describes the function of the third sentence in the first paragraph?

The third sentence in the first paragraph primarily serves to
A. provide an example to illustrate the central idea of the passage.
B. introduce a new idea that will be developed in the following paragraphs.
C. summarize the key points that have been made in the previous two sentences.
D. transition from the introduction to the body of the passage.