Answer: A (overwhelmed)
Explanation: The last sentence says, “This fact was somehow mixed and confused with his opinion of his own situation that it seemed almost a proper reason for tears.” This shows that the guy was so sad because his situation was making him overwhelmed and want to cry.
the words help bring the piece of writing to life. they may help in creating imagery, and they may even help the reader feel like they are involved in the story. the choice of words can also help set the mood for the story like mysterious, happy, sad, etc.