下列因素中，哪种不引起醛固酮分泌增多？（）

A.循环血量减少

B.血钠浓度降低，血钾浓度升高

C.肾交感神经兴奋

D.肾素分泌减少

E.血管紧张素增加

Prior to the availability of enterprise EDM, locating a document over a LAN could be difficult, and over a WAN (1) nearly impossible. With the model for collaborative work spreading, and with more users sharing (2) documents through e-mail and the Internet, enterprise EDM had become a necessity.

Many businesses are finding their greatest competitive advantage is the ability to harness the document (3) lifecycle. EDM systems manage this lifecycle from creation, revision, storage and (4) retrieval to routing and workflow. They also allow users to work on documents collaboratively.

Reusability of information is EDM’s main benefit, as well as the key to creating the paradigms that drive business process (5) reengineering.

1（）

A．personal

B．available

C．structural

D．nearly