单选题：根据下列题干，回答题：（　71　）data effectively is crucial for success in

根据下列题干，回答题：
（　71　）data effectively is crucial for success in today's competitive environmentManagers must know how to use a variety of tools Integrated data takes information from different sources and puts it together in a meaningful and useful way One of the difficulties of this is the（　72　）in hardware and software（　73　）integration uses a base document that contains copies of other objects（　74　）integration uses a base document that contains the current or most recent version of the source document it contains
（　75　）provides an overview of the program written in"plain"English,without the computer syntax
请选择（　71　）处最佳答案