(2013·辽宁五校第一联合体高三考试)The little child ________ go out alone at night, so he ________ walk in the dark that night.

A．doesn't dare to; dared not to

B．daren't to; didn't dare to

C．daren't; dared not

D．doesn't dare to; dare not

在加密技术中，作为算法输入的原始信息称为______。