35.若病患接受結腸鏡(colonoscopy)檢查，內視鏡會由肛門(anus)穿入，之後依序會經過：①肛管(anal canal) ②乙狀結腸(sigmoid colon) ③直腸(rectum) ④降結腸(descending colon) ⑤橫結腸 (transverse colon) ⑥升結腸(ascending colon) (A)③①②④⑤⑥ (B)①②③⑥④⑤ (C)①③②⑥⑤④ (D)①③②④⑤⑥