Answer :
Final answer:
The main idea of the passage is 'The Incas made a special kind of cloth,' highlighting their unique cloth-making process using alpaca wool.
Explanation:
The main idea of this passage is option A. The Incas made a special kind of cloth. This is supported by the information that the Incas bred alpacas for their wool, used it to weave colorful, silky cloth, and utilized the resulting fabric for various purposes. Although the passage also mentions the Spanish conquest and the loss of alpaca breeding knowledge, these details are secondary to the main focus on Incan cloth production. Hence, the primary focus of the passage is on the unique and unparalleled cloth-making skills of the Incas, thus making Option A the correct answer.
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