... officials The official s argument does not depend on the assumption in C, since the argument would not be invalidated if former low-level government officials did often become lobbyists The official s ... cost-effective than participating in the prepayment program Therefore, B would be a reason for NOT participating and is the best answer A is not clearly relevant to deciding whether to participate since ... explanation’s validity The official argues that prohibiting high-level government officials from accepting positions as lobbyists for three years would prevent the officials from earning a livelihood...