单项选择题
A.1B.2C.3D.4
A.需求规格说明B.培训手册C.参考手册和用户指南D.软件支持手册
A./ftpboot/ftproot/trans_pfmdata/B./ftpboot/ftproot/trans_pfmdate/C./ftpboot/ftproot/inventoryD./ftpboot/ftproot/inventery