The word "abusing" in Line 6 of the last paragraph means ______.

A．The US President is always focused on by many people in the US.
B．US voters are much stricter with the President than the Constitution.
C．It is never possible for a 70-year-old resident to be elected President of the United States.
D．All three branches of the Government are supposed to check the powers of one another.

A．A Good System
B．A Difficult Job
C．The US President and the Constitution
D．Three Branches of the US Government