Answer:
A: Example
Explanation:
The passage hints at the meaning of the word MARSUPIAL using an example, listing kangaroos, koalas and wallabies as this example.
A marsupial is an animal that carries its young in a pouch on its belly, and it is commonly known that kangaroos/koalas/wallabies do this.
Therefore, the answer is A - the passage used an example as a clue to the meaning of the word marsupial.
Answer:
The central ideas of a text are those that are most important. The rest of the text is built around these main ideas. Main ideas also tend to be supported by details which expand on their information and claims. Finally, main ideas can be either explicitly stated or implied, without altering their importance and relevance to the text
Cause you to become distracted and fall behind in yours or someone else's work.