Since the excerpt is talking about grief and specifically it says that this person is unhappy but no utterly occupied by his own misery the correct answer is C. One person's misery is greater than the misery of the world.
I would start with simple definitions to teach them, the words would depend on the grade they are in, then the words would get harder as we make progress.
Explanation: Hope this helps:).......if not sorry for wasting your time:)
