In “The Seventh Man,” why does the seventh man’s view of the past begin to change?

a.After his father dies, he realizes that it was the second wave, not the first, that killed K.

b.Studying K.’s art, he realizes that K. would not have minded dying in the wave.

c.After his father dies, he returns home and realizes that he did not need to move to Nagano.

d.Studying K.’s art, he remembers that K. was gentle and realizes that his last look was not one of hatred.