The correct answer is B) two paths.
To become a legal U.S. citizen, the United States has two paths.
You must have your Permanent Resident or green card for at least 5 years, be able to read, speak, and write basic English, and being 18 years old. Then, the government is going to determine your eligibility to become a citizen of the United States, After this, you fill from n.- 400, you then take the US Naturalization examination and finally get an interview with a government official.