Which of the Following Is Not True

Multiple Choice

Which of the following is not true?

A) ​Voluntary exchange is expected to be advantageous to both parties to the exchange.
B) ​What one trader gains from a trade, the other must lose.
C) ​If one party to a potential voluntary trade decides it does not advance his interests, he can veto the potential trade.
D) ​The expectation of gain motivates people to engage in trade.