Answer: Impulsive shopping
Explanation: Impulse buying or shopping refers to a buyer's propensity to purchase products and services without prior planning. When such purchase decisions are made at the instant by a consumer, they are usually caused by feelings and emotions.
We can say that, Impulsive buying implies making a purchase that is not planned. It is based on various irrational perceptions. Marketers try to tap this behavior of customers to boost sales.There is a strong possibility that after joining the hypermarket, consumers would end up buying products without any real intention to do so if they are impulsive buyers.
Thus, from the above we can conclude that the correct option is D.