What is the correct configuration option for an ultra-high performance XIV Gen3 using management-free flash caching?

What is the correct configuration option for an ultra-high performance XIV Gen3 using management-free flash caching?
A . A nine module Gen3 XIV can support nine flash cache modules.
B . A seven module Gen3 XIV can support seven flash cache modules.
C . A six module Gen3 XIV can support three to six flash cache modules.
D . A sixteen module Gen3 XIV can support eight to sixteen flash cache modules.

Answer: A