Read the excerpt below. What is the narrator's tone?
And every morning, when the day broke, I went boldly into the chamber, and spoke courageously to him, calling him by name in a hearty tone, and inquiring how he has passed the night. So you see he would have been a very profound old man, indeed, to suspect that every night, just at twelve, I looked in upon him while he slept.
a
confident
b
suspicious
c
happy
d
terrifying