Which cloud storage providers are included in the list of supported options for PowerProtect DD system?

Which cloud storage providers are included in the list of supported options for PowerProtect DD system?
A . Dell Elastic Cloud Storage (ECS)
Amazon Web Services (AWS)
Microsoft Azure
Google Cloud Platform (GCP)
B . Dell Elastic Cloud Storage (ECS)
Amazon Web Services (AWS)
Oracle Cloud
Microsoft Azure
C . Oracle Cloud
IBM Cloud
Alibaba Cloud
Dell Elastic Cloud Storage (ECS)
D . IBM Cloud
Google Cloud Platform (GCP)
Alibaba Cloud
Amazon Web Services (AWS)