Although the author characterizes her father as generally stoic, he does on occasion display deep emotion. which of the following lines from the book most clearly indicates one of these times?

a. “after a while papa sang the first line of the japanese national anthem…”
b. “a vigilante party searched the corridors.”
c. “in the months before the riot the bells rang often…”
d. “but the bells were still ringing. it was the only sound in camp…”