To protect certain fledgling industries, the government of country Z banned imports of the types of products those industries were starting to make.As a direct result, the cost of those products to the buyers, seceral export-dependent industries in Z, went up,sharply limiting the ability of the industrues to compete effectively in their export markets.
which of the following can be most properly infrred from the passage about the products whose importation was banned?
A :those products had been cheaper to import than they were to make within country Z's fledgling industries
不是很明白意思：sharply limiting the ability of the industrues to compete effectively in their export markets. 指的是fledgling industries 还是export-dependent industries?
cost of those products to the buyers ,指的是卖出的价格，还是生产产品的成本？ | 
