Choose the right answer from the four alternatives given below.
Which one of the following group of cities have been arranged in the sequence of their ranks i.e. 1, 2, 3 and 4 in size?
A. Greater Mumbai, Bangalore, Kolkata, Chennai
B. Delhi, Greater Mumbai, Chennai, Kolkata
C. Kolkata, Greater Mumbai, Chennai, Kolkata
D. Greater Mumbai, Kolkata, Delhi, Chennai