Read the paragraph and answer the question. Most people never have the opportunity to view a total solar eclipse. However, many of us will be able to see a partial solar eclipse. As the earth rotates beneath the sun and the moon, the spot darkened by the moon's shadow covers an area of approximately 170 miles. Any area of the earth rotating into this shadow will view a total solar eclipse. 4 Select the correct answer. What is the main idea of this paragraph? A. Many people will see a partial solar eclipse. B. An eclipse occurs when the earth rotates beneath the sun and the moon, and the moon darkens the sun. C. Few people have an opportunity to view a total eclipse because the area of the shadow is relatively small. D. Approximately 170 miles are covered by a shadow in a total eclipse.