what form?

To handle large amounts of unstructured data, how does Oracle storage cloud service store data and in what form?

A.
in evenly-sized blocks, each with its own address

B.
has files in a directory structure or as objects and top-level containers, based on the storage model that is chosen for the account

C.
as objects in a flat hierarchy of containers

D.
has files in a nested hierarchy of containers, similar to a directory structure on the hard disk drive a laptop

E.
as compressed zip files