[单项选择]信息系统开发策略是指根据工作对象和工作内容而应该采取的行动方针和工作方法。 以下是关于信息系统开发策略的描述 Ⅰ.信息系统总体规划的建立 Ⅱ.高层管理人员的参与 Ⅲ.加强数据处理部门与管理者之间的联系 Ⅳ.确定是采用结构化系统分析与设计方法还是原型法开发系统 Ⅴ.考虑运用正在研究的各种新技术 以上哪些方面是制定开发策略时必须要考虑的问题 A. Ⅰ、Ⅱ、Ⅲ和Ⅳ B. Ⅰ、Ⅱ、Ⅲ和Ⅴ C. Ⅱ、Ⅲ、Ⅳ和Ⅴ D. Ⅰ、Ⅲ、Ⅳ和Ⅴ
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