What are the minimum requirements for creating a Data Domain active tier with 48 TB capacity?

A customer wants to deploy Dell EMC Data Domain Virtual Edition on their public cloud to store backups of their cloud VMs. They want to use object storage for creating a Data Domain active tier.

What are the minimum requirements for creating a Data Domain active tier with 48 TB capacity?
A . Block storage: 10 GB vNVRAM disk
Object storage: 250 GB root disk, 5 GB metadata disk, and a 48 TB active tier
B . Block storage: 250 GB root disk and a 10 GB vNVRAM disk only
Object storage: 5 GB metadata disk and a 48 TB active tier
C . Block storage: 250 GB root disk and a 10 GB vNVRAM disk only
Object storage: 48 TB active tier
D . Block storage: 250 GB root disk, 10 GB vNVRAM disk, and a 5 GB metadata disk
Object storage: 48 TB active tier

Answer: C