When a Shortage Exists in a Market,sellers

When a shortage exists in a market,sellers

A) raise price,which increases quantity demanded and decreases quantity supplied until the shortage is eliminated.
B) raise price,which decreases quantity demanded and increases quantity supplied until the shortage is eliminated.
C) lower price,which increases quantity demanded and decreases quantity supplied until the shortage is eliminated.
D) lower price,which decreases quantity demanded and increases quantity supplied until the shortage is eliminated.