The correct answer to this question is: TRUE.
The section written in all caps is a <em>conclusion</em> of the previous explanation, therefore, <em>it expresses the main idea in the text</em>. A conclusion consists of a recapitulation of the introduction, which usually expresses the main idea in a text. The first sentence wrote, "When the sun and moon are near the horizon, we notice that they are distorted from a circular form into ovals, and are usually of a reddish color" tells the reader what is the main information or idea the writer is trying to convey. All that follows is an explanation of the reasons why that phenomenon happens. In the end, the section written in all caps resumes the introduction and adds a summary of the information given. Thus, this section can be considered an example of the main idea presented in the beginning.
Fresh and wish end with a digraph.
Shark and shoe begin with a digraph.
Martin Luther King Jr. repetition the phrase "I refuse" because he didn't like how the whites treated the blacks in the 1900's.
D. The conversation you write must sound natural for the characters.
More natural conversations between characters make your writing more fun to read. Reading a dialogue that sounds like it could actually happen engages the reader, and creates an investment in the characters themselves. Think of it this way, would you rather watch a movie with good acting or bad acting?