Read the following excerpt from a US court opinion:
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515, 107 L.Ed.2d 516 (1989). Moreover, “it is axiomatic that the proof required to show that a defendant knowingly associated with an existing conspiracy ‘need not be overwhelming.’ ” Viola, 35 F.3d at 44 (citation omitted). Indeed, participation in the conspiracy can be shown entirely through circumstantial evidence. Id. We find that the Complaint states a valid § 1962(d) claim against Ortoli. Specifically, although Ortoli was not an operator or manager of the RICO enterprise, we find that the facts alleged evidence his knowing association with the Madanes Brothers’ conspiracy to defraud the Plaintiff. The Court is satisfied that Ortoli’s alleged actions — ranging from the restructuring of family assets, to drafting paperwork intend p, Inc., 847 F.Supp. 588, 601-02 (N.D.Ill.1994) . Baltimore is likewise liable under § 1962(d).
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What is the most suitable continuation to the opinion? Your options are:
A. holding that although plaintiffs failed to state  1962c claim against outside attorneys for directing principals in rico enterprise to sign various legal documents allegations that these same outside attorneys knowingly agreed with promoter of tax shelter to violate rico and personally agreed to commit racketeering acts stated valid cause of action for conspiracy under  1962d
B. holding that although plaintiffs failed to adequately allege  1962c claim against professional broker and its officer based on operating or managing enterprise they adequately alleged rico conspiracy to violate  1962a against same defendants
C. holding that to state a  1962a claim plaintiff must allege that the defendants received income derived from a pattern of racketeering activity and invested it in the acquisition of any interest in or the establishment or operation of a rico enterprise
D. holding that plaintiffs cannot claim that a conspiracy to violate rico existed if they do not adequately plead a substantive violation of rico
E. holding that the person charged with violating  1962c must be distinct from the rico enterprise
Reply with [A, B, C, D, E] only.