The answer & explanation for this question is given in the attachment below.
I think this process would be Decision-Making, because the scenario is that you have to decide on what topic you are going to pick, based on research and what you think would be the best resolution. I don't think that Conflict resolution would be correct because there is no conflict and neither Negotiation nor Verbal Communication have anything to do with this, so i believe it's safe to assume the correct answer would be Decision Making.
#1 is D #2 is B #3 is A #4 is D #5 is B