As USCompanies Gain Better Access to Growing Overseas Markets

As U.S.companies gain better access to growing overseas markets,

A) the demand for labor will increase, increasing the equilibrium wage.
B) the supply of labor will decrease, increasing the equilibrium wage.
C) the most highly-educated American workers have suffered from the competition.
D) American firms find they are suffering because they now must incur the higher costs of shipping to overseas customers.