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【单选题】
下列哪项符合典型心绞痛:
A.
呼吸困难伴典型心电图T波改变
B.
劳累后心尖部针刺样疼痛
C.
劳力时历时数分钟胸骨后压榨感
D.
心前区痛含硝酸甘油5分钟后缓解
E.
胸痛伴心电图胸导联ST段抬高而无演变
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A.
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