The World's Most Populous Cities, in Order, from Largest to Smallest

The world's most populous cities, in order, from largest to smallest are:

A) Mumbai, Beijing, Mexico City, New York City, Sao Paulo
B) Buenos Aires, Mexico City, Mumbai, Beijing, Seoul
C) Cairo, Tokyo, Seoul, Mumbae, Mexico City
D) Tokyo, Beijing, Seoul, Mexico City, New York City
E) Mexico City, Beijing, Seoul, New York City, Tokyo