The Table Below Shows the Domestic Price of a Pair

The table below shows the domestic price of a pair of trousers in four countries.

-Refer to the table above.If the world price of trousers is $5 per pair,then which of the following statements is true?

A) All four countries will import trousers.
B) All four countries will export trousers.
C) Country A and Country D will export trousers, whereas Country B and Country C will import trousers.
D) Country B and Country C will export trousers, whereas Country A and Country D will import trousers.