Question in the screenshot Below (no explanation needed)

If increased Heckscher-Ohlin-typed trade were the key determinant leading to higher income inequality in United States, then we would expect that the relative prices of skilled labour-intensive goods to unskilled labour-intensive goods would have and that nontraded goods industries would have their use of unskilled labour relative to skilled labour. " a. fallen; increased b. fallen; decreased " c. risen; increased ' d. risen; decreased