Hospital staff burst into cheers  after doctors completed a 20-hour operation to have ___    _

one-year-old twins at the head.  [      ]

 A. isolated  

B. separated  

C. divided  

D. removed

各市银行业机构申请开启循环功能的一体机，应该具备（）个条件。

A.1

B.2

C.3

D.4