Definition: You are given a question on marketing. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: These goods are bought infrequently, used repeatedly, and involve a reasonably high level of consumer risk:
(A)Impulse goods. (B)Luxury goods. (C)Non-durable goods. (D)Durable goods.

D