The International Development Association, a lending agency, is administered by the:

Correct Option (A):

The International Development Association (IDA) is the concessional lending arm of the World Bank Group. It is administered by the International Bank for Reconstruction and Development (IBRD). Established in 1960, IDA provides low- or zero-interest loans and grants to the world's poorest developing countries. While IBRD primarily serves middle-income countries, IDA focuses on low-income economies, with both institutions operating under the umbrella of the World Bank.

Incorrect Options:

• International Fund for Agricultural Development (IFAD): IFAD is a specialized agency of the United Nations dedicated to eradicating poverty and hunger in rural areas of developing countries. It operates independently and is not involved in the administration of IDA.
• United Nations Development Programme (UNDP): UNDP is the global development network of the United Nations, focusing on poverty reduction, democratic governance, and crisis prevention. It does not administer the International Development Association.
• United Nations Industrial Development Organization (UNIDO): UNIDO is a specialized agency of the United Nations that promotes industrial development for poverty reduction, inclusive globalization, and environmental sustainability. It is not responsible for administering IDA.