Correct Answer: B. Iran
Detail About MCQs
Iran was officially admitted as a full member of the Shanghai Cooperation Organization (SCO). The decision to admit Iran as a full member was declared in the 21st summit of the SCO leaders in Dushanbe, Tajikistan. At the end of the 21st Summit of the Shanghai Cooperation Organisation (SCO), the leaders of the eight main members of the organisation agreed to change the membership of the Islamic Republic of Iran from an observer member to a full member and signed the relevant documents.