Answer:
A - your answer is correct
Explanation:
The author is not trying to argue a certain point, I can tell from the tone that they are simply trying to inform the reader what their live was like in their perspective.
A metaphor- it compares two things without using "as" or "like"
Main idea is: the first sentence
key sentence is: the second sentence
Supporting details: they have Long necks, big feet, and they are the largest animals In the duck goose family.
The first paragraph was describing the setting to prepare the reader, and let them imagine what they are reading so B.