Answer:
d) continues throughout life.
Explanation:
Political socialization occurs all life long as a process when people acquire ideas and values. This initially happens in the family, then educational endeavours could be later, but also social groups have influence. Together with mass media pressing on, and other forms of propaganda then political socialization is increased.
There are other reasons why it continues lifelong, the laws, religion, sex and gender form or are embraced in political ideals.
The geography, race are also often factors that will affect the process.
The change in values is more often than tought if we consider how non static some variables are.