What is the common '3-move structure' of the introduction in an academic presentation compos

What is the common '3-move structure' of the introduction in an academic presentation composed of?

A.First, Introduce the research background; second, review the relevant previous work to reveal the gap; third, present your research proposal

B.First, introduce the research background; second, review the relevant previous work; third, identify the deficiency in the previous studies.

C.First, present the topic of your research; second, introduce the research background; third, review the previous studies to identify the gap.

D.First, present the topic of your research; second, review the previous work to identify the research gap; third, introduce the research background.

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