25 說話時吸氣對呼氣的時間比,下列何者最接近?
(A)吸氣50%,呼氣50%
(B)吸氣10%,呼氣90%
(C)吸氣40%,呼氣60%
(D)吸氣60%,呼氣40%

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統計: A(0), B(56), C(7), D(2), E(0) #914868