The correct option is A abdominal cavity
Abdominal cavity is the large body cavity in humans and many other animals which is located below the thoracic cavity, and above the pelvic cavity. It includes many organs such as the stomach, liver, gallbladder, spleen, pancreas, small intestine, kidneys, large intestine, and adrenal glands.
Thoracic cavity contains the heart and lungs.
Pelvic cavity contains the bladder and reproductive organs.