Which of the Following Is True of Countertrading

Which of the following is true of countertrading?

A) Frequently there is inadequate time to conduct a market analysis in a countertrade negotiation.
B) Identifying countries that have a history of countertrading is one of the major problems with countertrades.
C) The use of countertrading to sell a good implies that the demand for the good is highly elastic.
D) Countertrading does not benefit countries that face a shortage of hard currencies with which to trade.
E) The U.S. dollar is the reserve currency that is used in countertrades.