I think it is A: It makes clear to the reader that the narrator is making an ironic statement.
Answer:
When he talks about duties, he talks about how he is willing to help Macbeth due to his respect to him, however, Banquo also knows that Macbeth may have done something terrible in order to become king so he also could be saying that it is his duty to stop Macbeth from committing any more crimes.
Answer:
Tectonic shift is the movement of the plates that make up Earth's crust. ... The heat from radioactive processes within the planet's interior causes the plates to move, sometimes toward and sometimes away from each other. This movement is called plate motion, or tectonic shift.
Explanation: