The correct answer is C) group the information into a logical pattern, collecting key supportive details to the thesis.
The most useful next step in the writing process for Silvia is to group the information into a logical pattern, collecting key supportive details to the thesis.
Silvia has already collected a vas amount of information for her research paper. What she needs to do right now is to group the information into a logical pattern, collecting key supportive details to the thesis. This way he will organize its material and is going to be easier for her to outline the paper using the research to get key points and connect the most important ideas of her research.