The Cost of Acquiring a Skill Accounts for Why the

The cost of acquiring a skill accounts for why the

A) demand for high-skilled workers is different from the demand for low-skilled workers.
B) supply of high-skilled workers is different from the supply of low-skilled workers.
C) demand for high-skilled workers is different from the supply of high-skilled workers.
D) demand for high-skilled workers is different from the supply of low-skilled workers.
E) supply curves of high-skilled and low-skilled workers cross.