Read the following excerpt from a US court opinion:
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§ 1512 — the criminal statute prohibiting tampering with a witness — and a criminal conspiracy in violation 18 U.S.C. § 371. Section 1512(b) specifically provides: Whoever knowingly uses intimidation or physical force, threatens, or corruptly persuades another person, or attempts to do so, or engages in misleading conduct toward another person, with intent to — (1) influence, delay, or prevent the testimony of any person in an official proceeding; .... shall be fined under this title or imprisoned not more than ten years, or both. An “official proceeding,” as referred to in § 1512(b), is explicitly defined in 18 U.S.C. § 1515 to include a federal grand jury proceeding. Indeed, § 1512(b) applies to attempts to influence testimony in a broader range of proceedings than does t d Cir.1995) . Plainly, by stating a claim under § 1985(2),
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What is the most suitable continuation to the opinion? Your options are:
A. holding that witnesss testimony that he lied to investigators because his friend the defendant had asked him to do so was sufficient to sustain the defendants conviction under  1512b
B. holding that uncorroborated testimony of one witness is sufficient by itself to sustain a conviction
C. holding that the uncorroborated testimony of an informant may be sufficient to sustain a conviction
D. holding that a defendant who was told several times he was not under arrest and who never asked to leave during an interview with investigators was not in custody
E. holding witnesss testimony identifying appellant is sufficient standing alone to support conviction
Reply with [A, B, C, D, E] only.