Answer:
d. Rise in price of alcohol
Explanation:
Change in Quantity demanded occurs due to change in Price. Change in Demand happens due to factors other than price - Income, Substitute & Complementary good's price, Taste.
Change in alcohol demand - due to substitute Cigarette price change , Change [Decrease] in alcohol demand - due to change in taste based on anti drinking sentiments, higher risk of alcohol liver cirrhosis , Change [Increase] in alcohol demand - due to change [rise] in Income : These all are due to factors other than price & hence are 'Change in Demand'
Rise in price of Alcohol leads to 'Change [Expansion] in Quantity Demanded' due to price change [rise] .