42. On a daily basis, the amount of urine produced is approximately ___ of the amount of filtrate.
(A) 80% - 90%
(B) 50% - 60%
(C) 30% - 40%
(D) 10% - 20%
(E) 1% - 2%
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統計: A(8), B(2), C(2), D(7), E(26) #1122144
統計: A(8), B(2), C(2), D(7), E(26) #1122144