Which data store variable is appropriate, assuming there is no need to store the selection in any system or custom objects?

A Digital Developer must give users the ability to choose an occasion (holiday, birthday, anniversary, etc.) for which gifts are currently being selected. The data needs to be persistent throughout the current shopping experience.

Which data store variable is appropriate, assuming there is no need to store the selection in any system or custom objects?
A . Request scope variable
B. Page scope variable
C. Session scope variable
D. Content slot variable

Answer: C