Answer:
The main idea is the point of the paragraph. It is the most important thought about the topic. ... The author can locate the main idea in different places within a paragraph. The main idea is usually a sentence, and it is usually the first sentence. The writer then uses the rest of the paragraph to support the main idea.
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Once upon a time there was a child, who had always wanted to be president of the United States of America. He grew up in a very humble family and with few resources, he didn't have the possibility of studying, but nevertheless he attended the schools and watched the classes through the window. Without realizing it, he got many contacts because he had an incredible personality, and reached unimaginable political positions. currently he postulated for presidency, and never imagined that his life would take that course. He just got lucky in the way.
I would say B, because fabric clarifies what yards is. Hopefully this helps and good luck!!!