How can the Architect give access to all internal employees?

A custom ServiceFeedback object is used to collect partner feedback. ServiceFeedback records should be available to all internal employees. The OWD is set to Private for external users so partners cannot see feedback from other partner users.

How can the Architect give access to all internal employees?
A . Create a trigger on ServiceFeedback to change ownership to an internal employee.
B. Ensure all the internal users are above the partners in the role hierarchy.
C. Create an Owner based sharing rule for all ServiceFeedback records owned by Partners.
D. Set OWD, for Internal Users to Public Read Only.

Answer: D