The Constitutional Provision That Federal Judges and Justices Hold Office

The constitutional provision that federal judges and justices hold office "during good behavior" has

A) meant,in effect,that they will serve until they die or choose to retire.
B) provided them the opportunity to carry out their duties without immediate fear of reprisal by the president or Congress.
C) enabled presidents to influence judicial policy through their appointments long after leaving the White House.
D) had all these effects: Federal judges and justices serve,effectively,until they die or choose to retire; they are provided the opportunity to carry out their duties without immediate fear of reprisal by the president or Congress; and presidents are able to influence judicial policy through their appointments long after leaving the White House.
E) None of these answers is correct.