The correct option is A abdominal cavity
Abdominal cavity is the body cavity which is located below the diaphragm, and above the pelvic cavity. The abdominal cavity contains the greater part of the digestive tract, the liver, pancreas, spleen, kidneys and adrenal glands.
Thoracic cavity is also called the chest cavity. It includes organs like the heart, lungs and thymus glands.
Cranial cavity is also known as intracranial space where the brain is located.