Which of the following is true about proper use of the term "countertrade"?

A) The term "countertrade" is interchangeable with "offsets."
B) The term "countertrade" is interchangeable with "barter."
C) The term "countertrade" is interchangeable with "counterpurchase."
D) "Countertrade" is a blanket term that refers to several different types of business transactions.
E) The term "countertrade" is interchangeable with "dumping."

D