Match List I with List II and select the correct answer by using the codes given below the lists.
List l List II
A. Adrenal gland 1. Below the right portion of the liver
B. Pituitary gland 2. By the side of the kidneys
C. Islets of Langerhans 3. At the base of the brain
D. Gall bladder 4. Part of the pancreas
Option: (b)