Answer: The correct answer is "D. The migration habitats of Tasmanian Wombats" because When choosing a topic you should consider:
If I'm interested One should never write a speech about a topic or an area that has no interest.
Will it interest the audience?
Be able to investigate on the subject.
Can I expose the subject in the established time? therefore, for example, an issue as extensive as the history of democracy would be inappropriate.