Answer:
D. Should we research to learn more about the author?
Step-by-step explanation:
This is the comment that best illustrates the technique of setting an objective during a discussion. In order to set a clear objective during a discussion, we need to agree on what it is that we will try to obtain as information. This is what the question does. In this question, we state that our objective is to learn more about the author. Therefore, the strategy we can propose is that of researching.