單項選擇題

叩診心臟濁音界時,叩診音的變化為()

A.自清音變?yōu)闈嵋?br /> B.自清音變?yōu)閷嵰?br /> C.自濁音變?yōu)閷嵰?br /> D.自實音變?yōu)闈嵋?/p>

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