Answer:
1. The tallest tower in the world was built in 2005. (A.)
2. I will have been in Canada next summer. (B.)
3. The prefix ''re-'' means A. Again
4. The prefix ''under'' means B. Under
5. The meeting has been delayed until night due to rain. (C.)
Active reading simply means when your reading something, you need to understand what your reading making sure knowing what the charaters are doing or how they are feeling, what is their mood.
Alliteration? What’s the question
The answer is most likely "The order of its main points"
The best answer in my opinion is the third choice.