Which of the following is the correct syntax for including a schema file in slapd.conf?
A.
include /usr/local/etc/openldap/schema/core.schema
B.
allow /usr/local/etc/openldap/schema/core.schema
C.
permit /usr/local/etc/openldap/schema/core.schema
D.
add /usr/local/etc/openldap/schema/core.schema