taking such testimony. (C) Location The oral testimony of any person taken pursuant to a civil investigative demand shall be taken in the judicial district of the United States in which such person resides, is found, or transacts business, or in such other place as may be agreed upon by the Agency investigator before whom the oral testimony of such person is to be taken and such person. (D) Attorney representation (i) In general Any person compelled to appear under a civil investigative demand for oral testimony pursuant to this subsection may be accompanied, represented, and advised by an attorney. (ii) Authority The attorney may advise a person described in clause (i), in confidence, either upon the request of such person or upon the initiative of the attorney, with respect to any question asked of such person. (iii) Objections A person described in clause (i), or the attorney for that person, may object on the record to any question, in whole or in part, and such person shall briefly state for the record the reason for the objection. An objection may properly be made, received, and entered upon the record when it is claimed that such person is entitled to refuse to answer the question on grounds of any constitutional or other legal right or privilege, including the privilege against self-incrimination, but such person shall not otherwise object to or refuse to answer any question, and such person or attorney shall not otherwise interrupt the oral examination. (iv) Refusal to answer If a person described in clause (i) refuses to answer any question— (I) the Agency may petition the district court of the United States pursuant to this section for an order compelling such person to answer such question