Jenny has just started dating brandon. they have known each other since ninth grade and have been in numerous classes together. this demonstrates the importance of

The correct answer is primary group. The primary group is being describe as having a small grou[ that composes personal and enduring relationships. They are likely to include childhood friends, family or loved ones as they show importance to an individual.

I feel that this demonstrates the importance of friendship. Becoming friends before you start dating can have numerous benefits, including knowing each others likes, dislikes, favorite things, etc. Jenny and Brandon got to know each other before they started dating, they were able to form a bond and now they are able to take that bond further and hopefully their romantic relationship thrives off of it.