I think it B. it might be wrong but i hope this helps
Answer:
C
I'm not sure but it gives more of an effect. I'm sorry
A) Is not always directly stated.
Sometimes the main idea is implied instead of directly stated. You can also get the main idea from the Theme which is stated at the end of the first paragraph.
i hope i helped:)
I dont think i can answer the first few, but i can answer 4. and 5.
For number 4. it is 'The ferocious lion roared at the helpless zebra'
And for number 5. it is 'Study how to brush and shoe horses'
Hope this helps you!