When writers alter words in a direct quotation<span>, square </span>brackets<span>—[ ]—are placed around the change. The </span>brackets<span>, always used in pairs, enclose words intended to clarify meaning, provide a brief explanation, or to help integrate the </span>quote<span> into the writer's sentence.</span>
B.) "<span>The passage states that it has been 11 months and 9 days, showing the reader how long the boy has been in Africa and how the boy has changed in that time."
I just took the quiz and scored 100% </span>
<span>I believe that it's Cognitive Behavioral Therapy</span>
You have to tell us which words are underlined, but I have a feeling the words were "a popular author of children's books." which is an appositive. Author is the same thing as Shel Silverstein.