
Passage: "Dumping" is defined as the act of selling a commodity in another country at a price below the cost of its production. Shrimp producers in country H are selling river prawns in country M at a price lower than the cost of producing the prawns in country M. So the shrimp producers in country H are dumping shrimp in country M.
Question: Which of the followings is necessary to assess the dumping practices mentioned above?
A. A.The "cost of production" in the definition of dumping refers to the cost of production in the place of origin of the product, or the cost of production of the same kind of product in the place of sale
B. B.If country H keeps selling shrimp in country M at a price lower than country M's shrimp production cost, country M's shrimp industry will go bankrupt
C. C.Experts agree on whether dumping is harmful or beneficial to the economies of both countries, or just one of them
D. D.Due to different methods of calculating the production cost of a commodity, it is difficult to come up with an accurate comparative value of the production cost of the same commodity in different countries
Answer: