What Occurs When Quantity Demanded of a Good Is Less

Multiple Choice

What occurs when quantity demanded of a good is less than the quantity supplied at the prevailing market price?  

A)  The price of the good tends to rise. 
B)  The price of the good tends to fall. 
C)  The demand curve shifts rightward until the surplus is eliminated. 
D)  The supply curve shifts leftward until the shortage is eliminated.