An architecture is being designed to support an Amazon WorkSpaces deployment of 1,000 desktops.
Which architecture will support this deployment while allowing for future expansion?

A. A VPC with a /16 CIDR and one /21 subnet
B. A VPC with a /20 CIDR and two /21 subnets
C. A VPC with a /16 CIDR and one /22 subnet
D. A VPC with a /20 CIDR and two /23 subnets