When Firms in a U

When firms in a U.S. industry outsource some of their production,

A) both U.S. labor demand and U.S. wages in the industry fall
B) U.S. labor demand falls, but U.S. wages are not affected.
C) U.S. labor demand remains unchanged, but U.S. wages fall.
D) U.S. labor demand falls, but U.S. wages increase.