In “Spinning a Yarn,” the author’s purpose is to persuade. Which of the following quotes from the article shows that the author’s purpose is to persuade?
A. “The Inca Empire covered nearly 3,000 miles.”
B. “More conclusive proof that the quipu is a language comes from an old manuscript, a series of handwritten pages from the 17th century.”
C. “Quipus are made of wool strings that hang from a thick cord. On the strings are groups of knots.”
D. “They made houses of stone blocks that fit together perfectly without mortar, a bonding material.”