KBC 2023| What is common to the cities, Beijing, Tokyo, and Kathmandu?

KBC 2023 , Check the answer for the question . What is common to the cities, Beijing, Tokyo, and Kathmandu?

KBC 2023, The options of the question – What is common to the cities, Beijing, Tokyo, and Kathmandu?

A. Hosted Olympics

B. Volcanic eruptions

C. No airports

D. National capitals

The answer is D. National capitals