To be honest, it's a little confusing myself, hehehe. But I believe that C might be the right answer or B. You might have to wait for other answers besides mine.
Referring to an excerpt from “I Explain a Few Things” by Pablo Neruda the correct choice is: By addressing the reader directly and asking the reader to see what is happening in Spain, the speaker reinforces his view that poetry could and should be used to inspire action—not just to describe beautiful things.
Geo: Relating to earth in some way
Graph: <span>a diagram showing the relation between variable quantities</span>
Yes. He saw them has a subject (he), a verb (saw), and an object (them), so it is totally a sentence.
