How should an app builder recommend assigning permission sets to users?

Universal Containers assigns system access via permission sets and permission set groups to ensure each user has proper access. One department with varying levels of support staff has five consistent permission sets they require in order to complete their duties. Some higher-level staff have additional permission sets that are only required for them.

How should an app builder recommend assigning permission sets to users?
A . Utilize the manage assignments button to assign a permission set group and additional individual permission sets to each user.
B. Utilize the manage assignments button to assign each user with the same set of permission set groups and permission sets.
C. Utilize the Data Import Wizard to mass update the desired users with their full list of permission sets and permission set groups.
D. Utilize the Data Loader to mass update the desired users with their full list of permission sets and permission set groups.

Answer: A