সঠিক উত্তর হচ্ছে: ভেনিজুয়েলা
ব্যাখ্যা: The Organization of the Petroleum Exporting Countries (OPEC) is a permanent, intergovernmental Organization, created at the Baghdad Conference on September 10–14, 1960, by Iran, Iraq, Kuwait, Saudi Arabia and Venezuela.
Source: OPEC website
