What should the Experience Cloud consultant recommend to meet the requirements for both personas?

Get Cloudy Consulting is implementing an equity management solution for one of its financial clients. The solution will enable the external independent financial researchers to collaborate with internal portfolio control staff in a private Chatter group.

What should the Experience Cloud consultant recommend to meet the requirements for both personas?
A . Give external researchers and internal staff access to the mam org.
B. Create a portal for external researchers and give internal staff access to the portal.
C. Create a portal for external researchers and give internal staff access to the main org.
D. Create a portal for external researchers and create an app for internal staff.

Answer: C