Sentence Correction - Verbal and Reasoning

Directions to SolveWhich of phrases given below each sentence should replace the phrase printed inboldtype to make the grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.
Q1:

The population of Tokyo is greater than that of any other town in the world.

A greatest among any other

B greater than all other

C greater than those of any other

D greater than any other

E No correction required

ANS:E - No correction required

No answer description is available.