Multiple choice general knowledge

In the early 21st century, only one country's name (in English) began with the letter "O". Which is it?

  1. Oman

  2. Ogurudu

  3. Ontario

  4. Ollana

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oman is the only sovereign country name in English that begins with the letter 'O'. Ontario is a Canadian province (not a country), and Ogurudu and Ollana are not recognized country names.