A fails the parallelism - on both X and on y whereas it must be both on X and on Y ...
Option C is correct and conveys the intended meaning.....
Option C is correct and conveys the intended meaning.....
![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)
