Answer:
preposition
Explanation:
because I'm not sure what the plan is the best way
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.
B. <span>a long historical account of how the device is used</span>