A. Incas. Should be the correct answer because they developed in the Andes Mountains
Start by introducing the idea, as if this person is somebody who doesn’t know much about it. Then give three examples each on how it’s been both positive and negative, then add a transitioning sentence to be able to start your next paragraph.
B) there is another behind it just as important and just as nervously anxious to do something effective
AND
E) this particular wave was the final outburst of the ocean,
Refrain is in a song not a poem so C. Refrain.