What does an administrator need to install to attach a Kubernetes cluster to Tanzu Mission Control (TMC)?

What does an administrator need to install to attach a Kubernetes cluster to Tanzu Mission Control (TMC)?
A. TMC service
B. The agent is already installed
C. Cluster agent extensions
D. TMC agent pack

Correct Answer: C
Explanation/Reference:
Reference: https://docs.vmware.com/en/VMware-Tanzu-Mission-Control/services/tanzumc-using/GUID-6DF2CE3E-DD07-499B-BC5E-6B3B2E02A070.html