this question tests parallelism and comparisons. 'than' is a parallel marker.
A - the problem is with the word 'it'. It/they/them/their refer to the same copy, whereas those/that refer to a different copy. Another thing to remember is 'it' refers to thenoun with all its modifiers. This option thus absurdly implies thatthe same commuter system is more efficient when it is used in Europe.
B - Let us rewrite this option - if the commuter system is placed in a European city instead of an American
...
A - the problem is with the word 'it'. It/they/them/their refer to the same copy, whereas those/that refer to a different copy. Another thing to remember is 'it' refers to thenoun with all its modifiers. This option thus absurdly implies thatthe same commuter system is more efficient when it is used in Europe.
B - Let us rewrite this option - if the commuter system is placed in a European city instead of an American
...
![FLO – Therapy at the Club – Pre-Single [iTunes Plus M4A]](http://is1-ssl.mzstatic.com/image/thumb/Music221/v4/a4/11/88/a41188ed-0f2e-e8d5-1163-d59e373cc58c/26UMGIM30046.rgb.jpg/208x208bb.webp)
.jpg)
