Which requirements must have led to including this solution in the design?

An organization wants to deploy cloud applications using block storage. The architect has included a HCI solution in the cloud design.

Which requirements must have led to including this solution in the design?
A . Acquire additional storage array; Combine storage and application processing using a spine/leaf topology
B . No additional storage arrays to be acquired; Separate storage processing from application processing
C . No additional storage arrays to be acquired; Combine storage and application processing on each node
D . Acquire additional storage array; Combine storage and application processing using a full mesh topology

Answer: A