The South Korea people were _________ again to see their space rocket fail to enter space, hurting them deeply.

A．thrilled

B．disappointed

C．determined

D．delighted

电子取证的风险可能会减少的原因是通过电子邮件的（）。

A.破坏政策

B.安全政策

C.存档政策

D.审计政策