What is the most likely cause of an administrator added comments to each line of the ACLs in slapd.conf?

After an administrator added comments to each line of the ACLs in slapd.conf, ceased to function properly. What is

the most likely cause of this?

A.
The comments were not added using the semi-colon(;) character

B.
Comments can’t be used anywhere in an ACL block

C.
The comments were not added using the pound (#) character

D.
Comments can’t be used in the slapd.cnf file