57.下列何者讓男性較具積極性性格(Aggressive behavior)?
(A)雌性素(Estrogen)
(B)助孕酮(Progesterone)
(C)睪固酮(Testosterone)
(D)抑制素(Inhibin)

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統計: A(36), B(7), C(1032), D(8), E(0) #1207133