Answer:
Option D, adrenal
Step-by-step explanation:
The adrenal gland in human body releases a hormone known as adrenaline gland which helps the body to performs actions in stressful and tense condition.
While other glands like thymus is related to growth of the body (specifically the height)
Pancreas gland releases digestive juices.
and ovary is a sex gland in females which release sex hormones.
Thus option D , is correct.