Correct answer
B. 5 Years
Explanation
5 Years is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
The World’s largest subway system is in_______________?
What was the world population in October 2020 according to UN estimates reported by Worldometer?
Which country tops in the 2020 World Press Freedom Index a report released by Reporters Sans Frontiers (RSF)?
Which country’s opposition leader has been handed a life sentence after the Court of Appeal found him guilty of spying for Qatar?
How many observer states are in Non-Aligned Movement (NAM)?
Which conutry was ranked the healthiest on earth, by the Bloomberg Global Health Index 2017?