Which of the following is the primary advantage of using computer forensic software for investigations?A.The preservation of the chain of custody for electronic evidenceB.Time and cost savingsC.Efficiency and effectivenessD.Ability to search for violations of intellectual property rights

computer forensic software 应该是间谍软件之类的，作用应该类似于后台程序或者木马。可以对数据做处理和过滤，应该选D，可以搜索出非法的东东