There _____ an exhibition in the museum tomorrow. [ ]

A. is going to be

B. will have

C. is going to have

D. are going to be

男性，34岁。1天来右后牙夜间痛影响睡眠，痛放散到右半侧头面部。检查见右下第一前磨牙咬合面畸形中央尖折断痕迹，冷测引起剧痛，叩痛（-）。医师诊断为（）

A.畸形中央尖

B.可复性牙髓炎

C.急性牙髓炎

D.慢性牙髓炎

E.急性根尖周炎