How Did Franklin Roosevelt Respond to Supreme Court Challenges to His

How did Franklin Roosevelt respond to Supreme Court challenges to his New Deal programs?

A) He abandoned his economic interventionism and restored a purely free-market economy.
B) He threatened to pack the Court with new appointees who would vote in favor of his policies.
C) He temporarily suspended the Court's power of judicial review, restoring it only after World War II had lifted the U.S. out of the Great Depression.
D) He convinced Congress to allow him to replace the existing justices with appointees who were more sympathetic to his political goals.
E) He worked closely with the justices in order to develop more moderate programs, on which both he and they could agree.