Which of the following is wrong about quota? Licensing of foreign trade is closely related to quantitative restrictions — quotas — on imports and exports of certain goods. A quota is a limitation in value or in physical terms, imposed on import and export of certain goods for a certain period of time.
A.
It is a kind of quantitative restrictions on imports and exports of certain goods.
B.
It is a limitation in value or in physical terms.
C.
It is a kind of license for import and export commodities.
D.
It is imposed on import and export of certain goods for a certain period of time.