which of the following entries should be added to slapd.conf, in the Database Directives section?

To configure an LDAP service in the company " Certkiller Ltd", which of the following entries should be added to slapd.conf, in the Database Directives section, to set the rootdn so that the common name is Manager and the company’s domain is Certkiller .com ?

A.
rootdn cn=Manager dc= Certkiller dc=com

B.
rootdn "cn=Manager,dc= Certkiller ,dc=com"

C.
rootdn cn= Certkiller ,dc=com,dc=Manager

D.
rootdn "cn= Certkiller ,dc=com,dc=Manager"

E.
rootdn "cn=Manager dc= Certkiller dc=com"