Suppose you bought three tickets to a concert in advance at the University ticket window. At the last minute one friend cancelled, so you could use only two of those tickets. You scalped, or sold, the third ticket just outside the entrance to the concert for slightly more than the price you had originally paid. Which transaction occurred in a market?

A.Only the transaction that occurred the evening of the concert was a market transaction.

B.Neither the advance sale at the University ticket window nor the sale the night of the concert occurred in markets.

C.Only the advance purchase and sale at the University window was a market transaction.

D.Both transactions, the one at the University ticket window as well as the sale at the concert entrance, occurred in markets.

正确答案：Both transactions, the one at the University ticket window as well as the sale at the concert entrance, occurred in markets.