Which of the following is the container for resource records in Route53

Answer options:

A.Domain Name
B.Name Server
C.Hosted Zone
D.Delegation Set

Answer - C
This is given in the AWS documentation
A container for resource record sets, which include information about how you want to route traffic for a domain (such as example.com) and all of its subdomains (such as www.example.com, retail.example.com, and seattle.accounting.example.com). A hosted zone has the same name as the corresponding domain
For more information on the concepts of Route53 , please visit the below link:
http://docs.aws.amazon.com/Route53/latest/DeveloperGuide/route-53-concepts.html