65.附圖X光影像中,星號所指之放射線透過性區域為何? (A)顎下窩(submandibular fossa) (B)創傷性骨囊腫(traumatic bone cyst) (C)單純性骨囊腫(simple bone cyst) (D)骨質疏鬆症(osteoporosis)