The answer to the blank is none of the above as the answer to the blank is Upward Social Mobility.
Social mobility refers to the individuals or groups movement in social position and upward social mobility is the ability to move up in social class and the opposite is the downward mobility. The movement or the social mobility is based on education, occupation, wealth and other social variable.
My answer is D: Elected officials will likely pay more attention to messages that come from a group of people.
My reasoning for this is that government officials usually pay attention to a group of like-minded people with the same opinions or etc. on a specific topic especially if the said group has interests in supporting them. It also the only option that makes the most sense, logically speaking.
Hope this helps! :)
B. They brought needed supplies into the state.
