How does the author develop the idea that M. Hamel is taking new pride in his occupation and heritage?
A
He uses words like "grave" and "solemn" to convey the tone of M. Hamel's voice.
B
He refers to M. Hamel's iron ruler and the way he would rap it on the table.
с
He describes how M. Hamel sits a lot and remains motionless in his chair.
D
He relates the changes in M. Hamel's attire and approach with the students.