[单选题]Chief Justice John Roberts Jr. tried to address growing concerns about ethical behavior and conflicts of interest on the Supreme Court in his annual report on the federal judiciary.But he 1______the heart of the problem: the justices are the only American judges not 2______by a code of ethics. He 3______criticism that justices are 4______from the Judicial Conference’s Code of Conduct,contending that they do "consult" the code,which "plays the same role" for the court as it does for other federal judges. But he 5______the code’s authority. 6______a justice can ignore the code, all other judges must obey it.If the Supreme Court is serious about 7______an ethics code, there are ways for it to do so without influencing the court’s independence and its 8______role. 9 , the justices should 10______to explaining in written opinions any decisions they make to deny 11______for their recusal,12______on the most sensitive and confidential issues.They could also 13______adopt the judicial conduct code as they work to adapt it. 14______the court takes these steps, there will be 15______concerns about the justices’ impartiality.It is not enough for the justices to 16______on their own "constant vigilance and good judgment", as Chief Justice Roberts contends.It is insincere for him to claim that "no 17______of ethical rules can guarantee integrity" 18______no code currently applies to the court.Adopting a conduct code would 19______the rules that apply to the justices and greatly 20______public confidence in the court. 第1题答案是______。