If quantity demanded is completely unresponsive to changes in price, demand is
A. Inelastic
B. Unit elastic
C. Elastic
D. Perfectly inelastic
The correct answer is D. Perfectly inelastic
Explanation
When quantity demanded is completely unresponsive to changes in price, demand is perfectly inelastic. By perfectly inelastic, it means that when prices will be higher or lower, the quantity demanded will be remained the same.