IMO E.
The original sentence has incorrect comparison between students in New York and London.
It should have been students in New York and those/students in London.
Also the correct idiom to be used here is Although X, Y....
Only E presents the sentence in correct format.
The original sentence has incorrect comparison between students in New York and London.
It should have been students in New York and those/students in London.
Also the correct idiom to be used here is Although X, Y....
Only E presents the sentence in correct format.