With no explanation, chose the best option from "A", "B", "C" or "D". Circuit has noted, “[cjommon sense suggests that the existence of an association-in-fact is often-times more readily proven by what it does, rather than by abstract analysis of its structure.” Coo-nan, 938 F.2d at 1559 (emphasis in original) (internal citations and quotation marks omitted). The evidence at trial clearly established that the drug taxing and drug trafficking conspiracies were undertaken by individuals on behalf of the enterprise, and were in fact an integral part of the conduct of the Erne’s affairs. Additionally, the murder conspiracies were proof of the existence of an enterprise, because the dispute was between different factions of the enterprise struggling for position within and control of the organization. Cf. United States v. Amato, 15 F.3d 230, 234 (2d Cir.1994) (<HOLDING>). In this case there was evidence of more than

A: holding that simultaneous civil and related criminal proceedings do not constitute unfairness and want of consideration of justice requiring reversal of a criminal conviction
B: holding in context of criminal prosecution of members of one faction within a criminal enterprise that rivalry and dissension however violent do not necessarily signify dissolution of a conspiracy
C: holding probation revocation is not a stage of a criminal prosecution
D: holding civil factual sufficiency preservation requirements do not apply in criminal context
B.