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 .

How should the Salesforce Admin fulfil this requirement?
A . Promote the CEO partner user to delegated admin on the partner account
B . Assign Super User access to the CEO partner user on the Contact page
C . Add a third role to the partner account hierarchy for the CEO partner user
D . Make the CEO partner user the owner of the partner account

Answer: B