As the Use of DVDs Became More Widespread, Which of the Following

Multiple Choice

As the use of DVDs became more widespread, which of the following was NOT expected to occur?  

A)  that the prices of CDs would decrease 
B)  that the demand curve for CD players would shift leftward 
C)  that the supply curve of CD players would shift rightward 
D)  that the demand curve for CDs would shift leftward