The available options are:
A. permanent residency in the United States
B. good moral character
C. knowledge of the English language and US Civics
D. compulsory military service
Answer:
B. good moral character
Explanation:
There are certain steps or ways to naturalization for prospective citizens born outside the United States to follow. These include:
1. Showing proof of permanent residency in the United States (green card)
2. Being a wife or husband of a U.S. citizen for at least three years.
3. compulsory or must have served in the United States military service
4. Showing knowledge of the English language and US Civics
Hence, in this case, the correct answer to the question is option B "moral character."