On Map 221: European Cities of 100,000 or More, 1800-1900, Which Cities

On Map 22.1: European Cities of 100,000 or More, 1800-1900, which cities had the largest increase in population growth between 1800 and 1900?

A) Berlin, St. Petersburg, and Vienna
B) London, Paris, and Constantinople
C) Moscow, Naples, Barcelona, and Madrid
D) London and Paris