Answer:
A. OU
Explanation:
An organization unit (OU) is used to group objects that are related, having similar administrative and security requirements within a domain. It provides a way of classifying objects in a directory, such as differentiating between objects with the same name or managing and creating objects. An OU can be nested into another OU, thus it can be used to create a hierarchy within an organization.
Answer:
Gland is an organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk.
TYPES OF GLANDS :
ENDOCRINE glands release the substances directly into the bloodstream.
EXOCRINE glands release the substances into a duct or opening to the inside or outside of the body.
BRAINLIEST PLEASE
Class B would be the correct answer.