Consider the following cities of Uttar Pradesh and arrange them in descending order in terms of their population.
I. Ghaziabad
II. Kanpur
III. Agra
IV. Lucknow
Select the correct answer from the code given below :

1. A.III, II, I, IV
2. B.II, I, IV, III
3. C.II, IV, I, III
4. D.I, II, III, IV