The answer is: A. He reacts in a purely emotional way.
In the excerpt from "The Death of Ivan Ilyich," Tolstoy makes reference to judge Peter Ivanovich's affecting bevahior at his Ivan Ilych's funeral. He has been a close friend to Ivan, and knew he was going to die. In the passage, he responds to Ivan's wife with a sigh and is unable to finish his phrase, making both deeply moved emotionally.
I would say either A or C. Well sounds better. C
Answer:
B. Does the narrator sound casual or formal?
The clause <em>when we can rest </em>is a subordinate/dependent clause, meaning that it cannot stand on its own - it has to be a part of a larger, independent clause, as is the case here.