Which JSON snippet correctly defines an AWS WAF rule to block requests from IP 192.0.2.0/24?
A{"Name": "AllowIP", "Priority": 1, "Action": {"Allow": {}}, "Statement": {"IPSetReferenceStatement": {"ARN": "arn:aws:wafv2:region:account:ipset/AllowIPSet"}}}
B{"Name": "BlockIP", "Priority": 1, "Action": {"Allow": {}}, "Statement": {"IPSetReferenceStatement": {"ARN": "arn:aws:wafv2:region:account:ipset/BlockIPSet"}}}
C{"Name": "BlockIP", "Priority": 1, "Action": {"Count": {}}, "Statement": {"IPSetReferenceStatement": {"ARN": "arn:aws:wafv2:region:account:ipset/BlockIPSet"}}}
D{"Name": "BlockIP", "Priority": 1, "Action": {"Block": {}}, "Statement": {"IPSetReferenceStatement": {"ARN": "arn:aws:wafv2:region:account:ipset/BlockIPSet"}}}