A synthesis<span> is a written discussion that draws on one or more sources. It follows that your ability to write syntheses depends on your ability to infer relationships among sources - essays, articles, fiction, and also nonwritten sources, such as lectures, interviews, observations.</span>
C. The sentence is interrupted for some detail, thus needs a comma
In the story "The Cask of Amontillado, Montressor had led Fortunato in a family of catacombs. He had led him to a pile of skeletons and chained Fortunato's arm. No one knows what happened to Fortunato at the end. All they know is that Fortunato disappeared, and no one ever saw him again.
I would debate on not testing on animals because not only would it possibly harm the animals but the results would also no be completely accurate. Rather it be actual volunteering humans.
“ I “
Because it fits with the sentence better than me because I is saying plural as I as in you as in me so basically same thing but i