![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
A country that does NOT engage in trade can benefit from trade only if
A.
it employs a unique technology.
B.
its wage rate is below the world average.
C.
it has an absolute advantage in at least one good.
D.
pre-trade and free-trade relative prices are identical.
E.
pre-trade and free-trade relative prices are not identical.