求如下新GRE阅读逻辑10套里面的题目的解析.C哪里不对了?Peoplewhoengageinscubadivingarehealthier,onaverage,thanpeoplewhodonotengageinthisactivity.Therefore,scubadivingtendstopromoteimprovedhealth.Theargumenti

　　求如下新GRE阅读逻辑10套里面的题目的解析.C哪里不对了?

　　Peoplewhoengageinscubadivingarehealthier,onaverage,thanpeoplewhodonotengageinthisactivity.Therefore,scubadivingtendstopromoteimprovedhealth.

　　Theargumentismostvulnerabletocriticismonthegroundsthatit

　　（A）presupposesthateveryonewhotakesupscubadivingdoessosolelyforhealthreasons

　　（B）leadstoafurtherandfalsifiableconclusionthatnoonecanachievegoodhealthwithoutengaginginscubadiving

　　（C）failstopointoutthatasmallnumberofpeopleareseriouslyinjuredinscubadivingaccidentseachyear

　　（D）treatsapreconditionforimprovingone‘shealthasthoughitweresomethingthatbyitselfcouldensuregoodhealth

　　（E）overlooksthepossibilitythatpeoplegenerallydonottakeupscubadivingunlesstheyareingoodhealth