Lucy has a great sense of humor and always  keeps her colleagues ___ with her stories.   [ ]

A. amused                  

B. amusing  

C. to amuse                

D. to be amused

如手术发现肠管绞窄坏死．应采取的治疗为

A．坏死肠段切除术

B．坏死肠段切除术加疝囊高位结扎术

C．坏死肠段切除术加疝修补术

D．坏死肠段切除术加大张力疝修补术

E．坏死肠段切除术加填充式疝成形术