How should the Salesforce Admin fulfil this requirement? Universal Containers builds a Partner Community for their dealers. They set up the partner account with two roles to represent sales employees and their managers. After going live, the dealerships inform Universal Containers that they need a CEO type of access for specific users who need to access all of the data on the partner account.
A. Promote the CEO partner user to delegated admin on the partner account.
B. Add a third role to the partner account hierarchy for the CEO partner user.
C. Make the CEO partner user the owner of the partner account.
D. Assign Super User access to the CEO partner user on the Contact page.

D. Assign Super User access to the CEO partner user on the Contact page

Explanation:

Universal Containers builds a Partner Community for their dealers. They set up the partner account with two roles to represent sales employees and their managers.After going live, the dealerships inform Universal Containers that they need a CEO type of access for specific users who need to access all of the data on the partner account Assign Super User access to the CEO partner user on the Contact page

Universal Containers needs to add a third role for the partner account for the CEO in addition to the existing roles, this is carried out by assigning Super User access to the CEO partner user on the Contact page by this a type of user is being created that can access all the data on the account, Super User agent grant access to data owned by other user on the partner account.