男，65岁。硬膜外阻滞下经 * * 前列腺切除术。手术开始80分钟，患者出现不安，轻度呼吸困难，血压升高，心率减慢。最可能是由于（）。

A.心肌梗死

B.手术部位出血

C.血容量过多

D.硬膜外阻滞不全

E.高钠血症

Downing Street is fighting fiercely for something it hopes it shall control: its reputation. "[The BBC] is now saying, ’Nobody ever said the prime minister told a lie,’ but that’s exactly what they’re saying," Alastair Campbell, Blair’s director of communications, told Newsweek. "That’s pretty heavy."

A．could

B．would

C．can

D．will