The answer would be C, "actors", because it describes the subject "we" more thoroughly, and that is actually the function of the appositive within a sentence. "Committee" is an indirect object, "we" is a subject, and "award" is a direct object.
In Musèe des Beaux Arts by W.H. Auden the people on the ship do nothing after seeing Icarus fall into the sea and the ship continues on its way. Why was that? Because according to the author, when a tragedy happens, human beings are not affected by it if their interests are protected and they have an horizon to pursue.
Well I would say its B by reading that I noticed that it lacked emotion. I wouldnt say its factual or that there is any admiration given by the author. Was that the full excerpt?