单选题 As part of an AIMR investigation into the conduct of Helen, CFA, AIMR requests records from Helen about her investment accounts. Helen writes AIMR a letter stating that under Standard Ⅳ (B), Preservation of Confidentiality, that she is unable to comply with their request. Which of the following statement is TRUE? A. is correct in her interpretation of Standard Ⅳ (B). B. should not turn over the information because it will violate federal material nonpublic information statutes and AIMR's Standard Ⅴ (A) Prohibit against Use of Material Nonpublic information. C. will no be in violation of Standard Ⅳ (B) by turning over the requested information because under the Professional Conduct Program, the Disciplinary Review Subcommittee is considered an extension of Helen.