o point(s) possible This question: 1 point(s) possible What is the law of demand? The law of demand is the A. rule that, holding everything else constant, when the price of a good rises, the quantity demanded will increase, and when the price of a good falls, the quantity demand O B. requirement that when analyzing the relationship between price and quantity demanded, other variables must be held constant. O C. rule that, holding everything else constant, when the price of a good falls, the quantity demanded will increase, and when the price of a good rises, the quantity demande O D. rule that, holding everything else constant, when the price of a good rises, the quantity demanded will increase, and when the price of a good falls, the quantity demanded