Deutoronomy 12:1 to 32 these are the decrees and laws you must be careful to follow in the land tha the Lord.
The first three options I see are all making-decision process to take action, but the last one is the one that is not like that. Researching is something that is not so close in meaning to what you need. That is why, D is a good option.
I will assume this is a true or false question, the answer is true. Efficacy is a part of a man's center self-assessment and speaks to trust in one's capacity to accomplish something. It influences how one sees the world and the capacity to manage innate difficulties and openings