A．肝＞肠＞颈部＞皮肤＞肌肉B．肠＞颈部＞肌肉＞肝＞皮肤C．肝＞肠＞皮肤＞颈部＞肌肉D．肠＞肝＞肌肉＞皮肤＞颈……