指纹锁是一种集光学成像、电子计算机、精密机械等多项技术于一体

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指纹锁是一种集光学成像、电子计算机、精密机械等多项技术于一体的高科技产品，它的“钥匙”是特定的人的指纹。这种锁利用的原理是（）

A．每个人的指纹都是独一无二的	B．人的指纹最不容易丢失
C．每个人的性格都是独特的	D．人类是最有智慧的生命形式

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