When the police broke into the room, they were terrified at the scene: a middle-aged man lying on the         floor, with a cupboard _______him, his feet and hands ______ tight with electric wires, his throat _____ open and a pair of scissors ______ deep in the chest.      [ ]

A. covered; tied; cut; cut                      

B. covering; tying; cutting; cutting  

C. covering; tied; cut; cutting                  

D. covered; were tied; cut; cutting

女性，36岁，主因午后眼睑下垂伴复视2周，前来就诊。胸片检查示纵隔影增宽，CT检查发现前纵隔内5cm×3cm大小肿块。最可能的诊断是

A．胸骨后甲状腺肿

B．神经鞘膜瘤

C．皮样囊肿

D．畸胎瘤

E．胸腺瘤