You work as the IT professional in an international company which is named wiikigo. You are experienced in implementing and administering a network operating system. You are specialized in configuring IP addressing and services, configuring name resolution and network access and so on. You are in charge of a domain controller that runs windows server 2008 and the DNS server role. The dns server hosts an active directory-integrated zone for your domain. You need to provide a user with the ability to manage records in the zone. But the user must not so what action should you perform?（）

A. The user permissions on the zone should be granted.
B. The user permissions on the DNS zone should be granted.
C. The user should be added to the DNSUpdateProxy Global security group.
D. The user should be added to the DNSAdmins domain local security group.