The Diagram Below Shows the Domestic Demand and Supply Curves

The diagram below shows the domestic demand and supply curves for denim jeans in Canada.The prevailing world price is PW.Assume that all jeans are identical.
FIGURE 34- 2
-Consider the following statement: "With unemployment at its highest level in years,Canada needs to protect domestic jobs by promoting a "Buy Canadian" policy." This statement is because _ .

A) correct; a "Buy Canadian" policy will take advantage of Canada's comparative advantage
B) incorrect; it fails to recognize that imports of foreign goods also help to encourage the export of domestic goods
C) correct; it recognizes that such a policy can sustain high levels of domestic employment
D) incorrect; it confuses the real and nominal gains from trade
E) incorrect; it will work against Canada's pattern of absolute advantage