You are asked to design a Trident solution on NetApp ONTAP for a highly scaled Kubernetes environment that contains thousands of stateful microservice applications.

Which ONTAP Trident driver should be used in such a highly scaled environment?

A. ontap-nas-flexgroup
B. ontap-nas

C. ontap-nas-economy

D. ontap-san

Reference: https://github.com/NetApp/trident/issues/64