How Does Germany's Constitutional Court Compare to the U

How does Germany's Constitutional Court compare to the U.S.Supreme Court?

A) Due to executive restraints,Germany's Constitutional Court is less powerful than the U.S.Supreme Court.
B) Germany's Constitutional Court establishes the law of the land,while U.S.Supreme Court rulings can still be appealed.
C) Germany is a code-law country,so the Constitutional Court's decisions do not have the impact of U.S.Supreme Court decisions.
D) Germany's Constitutional Court is much more activist than the U.S.Supreme Court,so its decisions in favor of expanded rights are extremely influential.