Which AWS Virtual Private Cloud (VPC) configuration needs to be in place in order to accomplish this?

An administrator is deploying a VMware Cloud on AWS software-defined data center (SDDC) in an AWS region and needs to plan for mission-critical application availability across availability zones. Which AWS Virtual Private Cloud (VPC) configuration needs to be in place in order to accomplish this?
A. One AWS VPC with four subnets, one per availability zone
B. Two AWS VPCs with two subnets, two per availability zone
C. One AWS VPC with two subnets, one per availability zone
D. Four AWS VPCs with two subnets, two per availability zone