Answer:
Withdrawal
Explanation:
Addiction does not make sense in any context.
Withdrawal is a word used for the stopping of a medication, addiction or prescribed.
Independence has no context here.
Relapse is not pertained to this subject either.
Assimilation occurs when an immigrant learns to speak the host country's official language.
This is because assimilation is the work of taking in and understanding information or ideas to the fullest.
Therefore, your answer would be A.
hope this helps!