The Table Below Shows the Quantity Demanded (In Thousands) and Quantity

The table below shows the quantity demanded (in thousands) and quantity supplied (in thousands) of computers in the U.S. and Canada at different prices.Table 20.5

-People who call for creating a "level playing field" believe that:

A) a country with relatively low wages is typically a country with an abundance of low-skilled labor.
B) trading on the basis of comparative advantage benefits both domestic and foreign firms.
C) creating a "level playing field" undermines the basis for specialization and economic efficiency.
D) production in accordance with comparative advantage is unfair.
E) free trade allocates the scarce resources in an efficient way.