What were the methodological and ethical considerations taken into account in the development of the research presented in the text? I- The author...

What were the methodological and ethical considerations taken into account in the development of the research presented in the text?

I- The author avoided contextualizing the object of the research and the writing to avoid being influenced by the current debate on crime.
II- The author used two strategies to describe the particles of the ethnographic material without betraying the movement: naming parts and chapters with terms that express notions lived by the criminals and blocking some terms to make others more evident.
III- The author followed the Code of Ethics of the Brazilian Anthropology Association, especially regarding the guarantee that the collaboration provided to the research would not be used to harm the investigated group.
IV- The author compared the Comando with something external to it to evidence its particularity.
V- The author used the literature specialized in the subject to guide his reflections.
a) I, II and III are correct.
b) II, III and IV are correct.
c) III, IV and V are correct.
d) I, III and V are correct.
e) All statements are correct.