What does the sentence　scientific research should be question-driven and question-oriented mean?

What does the sentence　scientific research should be question-driven and question-oriented mean?

A.It means that in order to deliver the most important messages clearly in one’s academic presentation, every component of the presentation should unfold around the research question.

B.It means that the title for each section of the presentation has to be written as a question instead of a statement.

C.It means that within each section of the academic presentation, the research question needs to be mentioned in the first place.

D.It means that the inner structure of each section in an academic presentation needs to be organized as answers to questions.

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