Answer: a). Superior
Step-by-step explanation:
The stomach is the part of the elementary canal where the food is stored and exposed to the digestion process with the help of digestive juices, acids and enzymes.
The urinary bladder is the part of the excretory system. It stores urine until it is passed through the body from the urethra.
The stomach will digest food and the excretory material that is urine that is bladder will be stored and excreted through from the body by the act of urination. Thus stomach should be present superior to the bladder.