The author finds the Japanese national anthem significant because it

a. rallies the camp's hatred of their captors.

b. serves to remind her of Japan.

c. is the first time she hears her father sing.

d. means so much to Papa that he weeps.

The correct answer for this question is "d. means so much to Papa that he weeps." The author finds the Japanese national anthem significant because it means so much to Papa that he weeps. It became too sentimental when he heard that national anthem and put him into emotions.