Economists Are Skeptical About the Degree to Which Predatory Pricing

Economists are skeptical about the degree to which predatory pricing is used because

A) "price wars" are rarely observed in actual markets.
B) when used as a warning to potential rivals,predation has minimal value.
C) buy-outs are less costly than predation and have no offsetting disadvantages.
D) firms can easily counter predation by "laying low" or borrowing funds.