Here "feeling sick" means to feel intense emotion that makes one feel unwell or nauseous. Hemingway describes emotional, rather than physical sickness. The character just doesn't want to accept the loss of his wife.
Based on the passage, I would say that the answer is elizabeth is clearly just pointing out the truth. This is because it focuses on how both elizabeth and darcy are prideful.
The friendly-looking puppy pawed on the window to attract the attention of the people walking by on the sidewalk. The rest didn't make sense and what is the - c?
