An application team has started using Amazon EMR to run batch jobs using datasets located in Amazon S3. During the initial testing of the workload a solutions architect notices that the account is starting to accrue NAT gateway data processing costs
How can the learn optimize the cost of the workload?
A . Detach the NAT gateway from the subnet where the Amazon EMR clusters are running
B . Replace the NAT gateway with a customer gateway
C . Replace the NAT gateway with an S3 VPC endpoint
D . Configure a network ACL on the subnets where the Amazon EMR clusters are running to open access to Amazon S3
Answer: A