Answer :
The sentence that best describes the main idea is "The platypus is a mammal with many characteristics that make it unique," in option A.
What is a main idea?
We can describe a main idea of a text or paragraph as the most important idea or message expressed by the author. After reading the text, we can imagine ourselves trying to summarize it in just one sentence to a friend who hasn't read it. That one-sentence summary would be the main idea.
After reading the text provided in the question, we can see that the main idea is that the platypus is a mammal with many characteristics that make it unique. The author mentions several different characteristics that make the platypus different and special, all functioning as evidence to support that main idea idea:
- The animal's strange body.
- The fact that it lays eggs even though it's a mammal.
- The way it consumes its meals.
Therefore, with the information above in mind, we can conclude that option A is the best answer for this question.
Learn more about main ideas here:
https://brainly.com/question/1119015
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