man, I jump to choose B with the outside knowledge. B actually says about the same IMPACT of mental illness and physical diseases.
=> D is right and D is a common pattern, the causal relation only happens in one way.
=> D is right and D is a common pattern, the causal relation only happens in one way.
![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)
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