題目維生素B3\mathrm{B}_{3}B3缺乏會造成癩皮病(pellagra)的發生,下列組合何者是癩皮病的「4Ds」臨床症狀?①dehydration ②dermatitis ③dyspnea ④diarrhea ⑤dyspepsia ⑥dementia ⑦dysphagia ⑧deathA.①②③④B.①③⑤⑦C.②④⑥⑧D.③⑤⑦⑧官方答案C