Concept:Goods consumed out of habit have demand that does not change much with price.Explanation:When a good is consumed out of habit, the consumer feels a strong need or addiction to it.Even if the price rises, the consumer continues to buy almost the same quantity.Similarly, a fall in price does not lead to a large increase in quantity demanded.This means the percentage change in quantity demanded is less than the percentage change in price.Therefore, such goods are said to have inelastic demand.Answer:C. inelastic demand