An Organization Has Configured Auto Scaling with ELB

Multiple Choice

An organization has configured Auto Scaling with ELB. One of the instance health check returns the status as Impaired to Auto Scaling. What will Auto Scaling do in this scenario?

A) Perform a health check until cool down before declaring that the instance has failed
B) Terminate the instance and launch a new instance
C) Notify the user using SNS for the failed state
D) Notify ELB to stop sending traffic to the impaired instance