You want to configure autohealing for network load balancing for a group of Compute Engine instances that run in multiple zones, using theFewest possible steps.You need to configure re-creation of VMs if they are unresponsive after 3 attempts of 10 seconds each. What should you do?

A、CreateanHTTPloadbalancerwithabackendconfigurationthatreferencesanexistinginstancegroup.Setthehealthchecktohealthy(HTTP)
B、CreateanHTTPloadbalancerwithabackendconfigurationthatreferencesanexistinginstancegroup.DefineabalancingmodeandsetThemaximumRPSto10.
C、Createamanagedinstancegroup.SettheAutohealinghealthchecktohealthy(HTTP)
D、Createamanagedinstancegroup.Verifythattheautoscalingsettingison.