During an External Information Search,a Consumer Is Most Likely to Enlarge

During an external information search,a consumer is most likely to enlarge his search and consider more alternative brands when:

A) the consumer is knowledgeable and well informed about a potential purchase.
B) the perceived risk of the product or service to be purchased increases.
C) the consumer is confident of making a purchase decision with the information at hand.
D) the product or service to be bought is a frequently purchased,low-cost item.