Which description of the impeachment process as defined by the U.S. Constitution is correct? 
 A.
 The Senate acts as jury in the trial of a government official accused of serious misconduct.
 B.
 The president demands the resignation of a Supreme Court justice he disagrees with.
 C.
 The Supreme Court decides whether a law passed by Congress is constitutional.
 D.
 The House of Representatives removes a sitting president from office by a two-thirds majority.