A discussion takes place when A) a group of people listens carefully while one person gives a presentation.
B) one individual gives instructions or directions to another individual.
C) a person or a group of people are in disagreement with someone else.
D) two or more people are talking to one another to exchange thoughts or ideas.

A) a group of people listens carefully while one person gives a presentation.

Explanation:

A discussion takes place when a group of people listens carefully while one person gives a presentation. one individual gives instructions or directions to another individual. a person or a group of people are in disagreement with someone else.

d. because santiago thought any sharks would assume the marlin was part of the boat