Most in the federal bureaucracy-about 1.8 million civilians-work in

When George W. Bush became president of the US, in 2001-2009, about 1.8 million civilians (postal workers not included) work in the executive branch. The same number was employed when John F. Kennedy won the White House. This number, however, was surpassed during Ronald Reagan and Barack Obama’s reelection in 1984 and 2012, with 2.2 and 2 million federal bureaucrats respectively. 

the answer is: c.that person might be arrested and deported

filling w-4 form incorrectly usually would rise suspicions from government's auditors. when they notice such mistakes, they would send their teams to investigate the situation further.

if those investigation teams believe that the incorrectness is done on purpose (with malicious intent), that person can be arrested or deported