Answer:
D: To boost morale and confidence among his audience.
There you go
Yes, unlike a summary you are describing the *whole* book, movie, etc. You include what would be considered spoilers, and how it ends.
The main idea of the paragraph would be the penguins camouflage and feathers help them in their survival
3 supporting facts would be: it makes them hard to see in the ocean for predators, they blend with they sky, their feathers protects them while swimming and keeps them warm.
(this could be worded better but yeah, hope I could help!)
