Concept:The IBRD is a development bank that focuses on loans, technical aid, and human capital, not trade policy.
Explanation:The International Bank for Reconstruction and Development grants long-term loans to member countries for development projects.
It also assists with technical expertise and supports the development of human resources.
However, reducing tariffs among members is a trade function carried out by organisations like the World Trade Organization.
Tariff reduction is not part of the IBRD’s functions.
Answer:C. reducing tariff among members