Upon the filing of a petition under subparagraph (A) with respect to an order, the United States Court of Appeals for the District of Columbia Circuit shall have jurisdiction to affirm, modify, or set aside the order in whole or in part. (ii) Exclusive jurisdiction upon filing of record Upon the filing of the record upon which the order complained of was entered under subparagraph (C), the United States Court of Appeals for the District of Columbia Circuit shall have exclusive jurisdiction to affirm, modify, or set aside the order in whole or in part. (E) Failure to object during administrative review In a review under this paragraph, the United States Court of Appeals for the District of Columbia Circuit may not consider an objection to an order of the Commission unless the objection was urged before the Commission in the application for rehearing under paragraph (1), unless there is reasonable ground for failure to so object. (F) Findings of fact In a review under this paragraph, the findings of the Commission as to the facts (including definition of relevant markets and market shares), if supported by substantial evidence, shall be conclusive. (G) Consideration of additional evidence (i) In general If a party applies to the United States Court of Appeals for the District of Columbia Circuit for leave to adduce additional evidence, and shows to the satisfaction of the court that the additional evidence is material and that there were reasonable grounds for failure to adduce the evidence in the proceedings before the Commission, the court may order the additional evidence to be taken before the Commission and to be adduced upon the hearing in such manner and upon such terms and conditions as to the court may seem proper. (ii) Commission actions The Commission— (I) may modify its findings as to the facts by reason of additional evidence taken under clause (i)