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.
Unfortunately, we all knew about Steve Jobs disease in 2011. However, knowing this fact, his words and the whole life meaning of one of the biggest's world brains, had extra significance for all people.
Besides, the fact that Jobs lost his personal battle against cancer with true stoicism and real determination makes him human, shows the vulnerability of someone extremely talented. Steve Jobs's biggest talent, and the impact, was his unlimited hope to life and the endeless progression of human knowlegde embodied by him.
C. a fax cover sheet is a document used to keep track of all faxes recieved.