Which type of portal should you implement?

You are a Dynamics 365 for Customer Service system administrator.

You need to implement a Dynamics 365 portal that allows customers to perform the following tasks:

– Post product experience information to forums.

– Enter issues in an online support center.

– Enter ideas for future products.

Which type of portal should you implement?
A . Partner
B . Customer Self-Service
C . Employee Self-Service
D . Community
E . Custom