Answer:
D) must be answered by all societies since they are unavoidable.
Explanation:
Capitalist societies as well as Socialist societies has these three fundamental questions because these three questions are unavoidable and very necessary for the production of goods. If they did not know which product and in what quantity it is produced so they make a great loss. If they produced in large quantity than necessity so they get a great loss while if they produced the product in low amount so there is scarcity of that product in the market. So these question are very important to every society.