The correct option is
D None of these
The Indian Ocean Rim Association, formerly known as the Indian Ocean Rim Initiative and Indian Ocean Rim Association for Regional Cooperation, is an international organisation consisting of coastal states bordering the Indian Ocean. The Association comprises 21 member states and 7 dialogue partners, the Indian Ocean Tourism Organisation and the Indian Ocean Research Group has observer status.
Member states: Australia, Bangladesh, Comoros, India, Indonesia, Iran, Kenya, Madagascar, Malaysia, Mauritius, Somalia, Mozambique, Oman, Seychelles, Singapore, South Africa, Sri Lanka, Tanzania, Thailand, United Arab Emirates, Yemen.