Answer:
d. lifestyle segmentation
Step-by-step explanation:
Segmentation is the way in which various criteria is used to seperate the target market of a set of products.
In the given instance Janelle is involved in a lifestyle segment that is categorised on the basis of similar lifestyle.
She likes to run. This is a type of lifestyle, so the groups that she is involved with that also like running are an example of a lifestyle segmentation