Answer:
A. quantitative restriction on an import imposed by the importing country
Explanation:
In international trade when a country want to limit the quantity of a product that is being imported into the country they impose a quota.
A quota is a restriction of the number or monetary value of a product that can be imported into a country.
In most cases this is implemented to promote local industries that produce the product.
Less of the product imported from other countries, the more patronage local industries get.
