The Demand Curve for High-Skilled Labor Lies to the Right

The demand curve for high-skilled labor lies to the right of the demand curve for low-skilled labor because

A) there are more high-skilled workers than low-skilled workers.
B) high-skilled workers require more compensation to convince them to work than do low-skilled workers.
C) high-skilled labor is more productive than low-skilled labor.
D) firms need not be concerned with the minimum wage in the market for high-skilled labor.