Select the correct response from the drop-down menu. Naturalization is a legal process by which a person.

becomes a citizen

Selects a response from the drop-down menu:

a. Becomes a citizen of another country through marriage.
b. Becomes a citizen of their country of birth.
c. Becomes a citizen of a country through adoption.
d. Becomes a citizen of a country through a legal process, typically after meeting certain requirements such as residency, language proficiency, and passing a citizenship test.