It’s reported that workers on London’s underground train network will go on strike（罢工）in ________ with colleagues losing their jobs at ticket offices.

A．annoyance

B．sympathy

C．companion

D．scare

男患者71岁，3天前突然出现右眼一过性黑蒙，左侧上下肢无力，持续约20分钟后完全恢复，3天来反复发作，发作后查体无神经系统阳性体征，头部CT检查示轻度脑萎缩。下列哪项诊断最准确（）

A.椎-基底动脉系统TIA

B.大脑后动脉主干闭塞

C.大脑中动脉主干血栓形成

D.大脑前动脉TIA

E.颈内动脉主干TIA