Which Presidential Prerogative Is One of the Checks on the Judicial

Which presidential prerogative is one of the checks on the judicial branch?

A) to grant pardons and reprieves
B) to reorganize federal appeals courts by relocating judges and shifting jurisdictions
C) to fire judges appointed by preceding presidents
D) to submit articles of impeachment against federal judges in either chamber of the U.S.Congress
E) to suspend the Constitution during periods of martial law