Answer:
The answer is b, an account of a fly being eaten
Explanation:
If you do not know your audience's interests you will probably lose their interest.
What? Can you explain your question please?
B. The observers up front were asked to sit down so that the ones in the back could see. When you are talking about people, you use sit, not set.
A journey that presents many challenges. 'Unpaved' showing it's not built, you gotta build it (build your future) and 'rocks' 'holes' and 'mud' obviously signifies trouble showing there are many challenges to face in the way.
Hope you found this helpful. :)