If you read each of these, or speak them, there is only one that suits the sentence correctly.
Go with the third one. Couldn't seems to fit pretty well there.
In Ernest Hemingway’s “In Another Country,” the major most likely stays away from the hospital for three days to mourn the death of his wife.
The major was very scornful towards doctors due to the fact that his injuries were not cured by them and he is skeptical about the fact that machines will succeed in curing the three soldiers who Nick befriended.
The short story “In Another Country,” is about an ambulance corps member in Milan during World War I.
A. Sheila ate her lunch in the cafeteria.
Focus your attention. You don't want to be on your phone or watching tv while someone is talking to you.
Answer: 4. The interrelationship between reading ability and writing ability is evident.