25. 功能性肺餘量(functional residual volume)的肺容積為以下何者敘述 (A)呼氣儲備容積(expiratory reserve volume)加上潮氣容積(tidal volume) (B)吸氣儲備容積(inspiratory reserve volume)加上肺餘容積(residual volume) (C)吸氣儲備容積加上潮氣容積 (D)呼氣儲備容積加上肺餘容積