Answer:
Answer is option D, i.e. Firms engage in "dumping" practices, particularly when foreign firms market to US customers.
Step-by-step explanation:
Predatory pricing is a kind of pricing strategy that is used to drive out the newly entered competitor out of the market. The strategy uses lowering the price of the product into a very cheap product that grasps the attention of the customers and tempts them to buy from that very brand instead of the new entry. This is sometimes referred to as “dumping” strategy.