In Its Decision in Stuart V

In its decision in Stuart v. Laird, what grounds did the Supreme Court use to determine whether the repeal of the Judiciary Act of 1801 was constitutional?

A) Only the President could determine the organization of the judicial branch.
B) Congress possessed the power to reorganize the judicial branch.
C) The legislation exceeded the Constitution and any changes to the judiciary required a constitutional amendment.
D) The judiciary was responsible for its own organization and did not like the increased size of the courts.