It should be D or A. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I found the exercise on the internet and these are options:
"<span>Your heredity
Your culture
A peer group
A psychologist"
</span>
It's an example of a positive influence by a peer group.
A peer group is a group<span> of people that may share similar background, interests</span>, social status or even age. As these are important social groups in the persons' lives, the members of these groups are likely to influence each other beliefs and behaviour.
