The previous project manager for your project managed it without much project organization．There is a lack of management control and no clearly defined project deliverables．Which of the following would be the BEST choice for getting your project better organized ？（）

A．Adopt a life cycle approach to the projec

B．Develop lessons learned for each phas

C．Develop specific work plans for each work packag

D．Develop a description of the product of the projec

物流信息系统哪个系统的需求需要在合同上清晰地表达，不可轻信系统供应商业务员的口头承诺。