單項選擇題

右室室壁激動和左室室壁激動時間分別為()

A.0.01~0.02秒,0.02~0.05秒
B.0.01~0.02秒,0.02~0.05秒
C.0.01~0.04秒,0.02~0.06秒
D.0.01~0.05秒,0.02~0.04秒
E.0.01~O.15秒,0.02~0.04秒

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