The Answer is C.
This is why. The word 'literal' can be defined simply as "face value". For example if some one says I literally haven't slept all night. You would see that this means they have not slept at all.
Answer: The Sevenths mans view changes as time goes on many times in the story. At first he beileved that K had smiled at him in between the first and second wave. Then he starts remembering it a little less and doesn't look down on it as hard when he moves away.
B. Then the rescue efforts of the save the dolphins group have a great impact