In which one of the following cities are the Summer Olympics, 2020 going to be held ?

The correct answer is C. Tokyo. The 2020 Summer Olympics, officially known as the Games of the XXXII Olympiad, is a planned international multi-sport event that is scheduled to take place from 23 July to 8 August 2021 in Tokyo, Japan. The Games were originally scheduled to take place from 24 July to 9 August 2020, but were postponed to 2021 due to the COVID-19 pandemic.

London hosted the 2012 Summer Olympics, Paris will host the 2024 Summer Olympics, and Moscow hosted the 1980 Summer Olympics.