সঠিক উত্তর হচ্ছে: ভারত
ব্যাখ্যা: The D-8 Organization for Economic Cooperation, also known as Developing-8, is an organisation for development co-operation among the following countries: Bangladesh, Egypt, Indonesia, Iran, Malaysia, Nigeria, Pakistan, and Turkey. The objectives of D-8 Organization for Economic Cooperation are to improve member states\' position in the global economy, diversify and create new opportunities in trade relations, enhance participation in decision-making at international level, and improve standards of living.