下列除哪项外均有助于股肿诊断：
A．急性期白细胞总数升高
B．胸部X线摄片
C．静脉血流图
D．超声多普勒
E．静脉造影
参考答案：B
下列哪一项有助于诊断蛛网膜下腔出血（）
A.明显的意识障碍
B.脑膜刺激征
C.均匀一致血性脑脊液
D.突然发生剧烈头痛
E.起病急骤，情绪激动等因素为其诱因
-----Has he changed his mind?
-----Yes. After some hours of discussion, I ____ to talk him into accepting the new plan.
A．had managed
B．would managed
C．have managed
D．managed
