When the rescue workers arrived, they were sad to see what _____ of the relics after the big fire. [      ]

A. was remained  

B. remained  

C. was made  

D. made

一患儿以肠梗阻入院手术，术中医师将膀胱认作囊肿切除，造成患儿储尿、排尿功能严重受损。该事件中，医师的行为属

A．意外事件

B．术中并发症

C．直接故意

D．间接故意

E．过失