Answer - A
You can use the following routing policies when you create resource record sets in a private hosted zone:
Simple
Failover
Weighted
Note: Private hosted zone does not have internet connection and hence "geolocation" record set of Route53 cannot be used with private hosted zone.
For more information on Private hosted zones, please visit the below link:
http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/hosted-zones-private.html