Concept:An industrialized country is one where the industrial sector plays a dominant role in the economy.
Explanation:Industrialization means that industries contribute a large share to the nation’s income or GDP.
This shows a shift from agriculture toward manufacturing and services.
Option A correctly describes this situation.
Option B refers to a dual economy, where traditional and modern sectors exist together.
Option C is about trade strategy, not industrial status.
Option D describes a primary or agrarian economy, not an industrialized one.
Answer:A. the contributions of industries to national income are high