He can't be at home now, for I saw him _____ in the gym just now. [ ]

A. giving out

B. working out

C. carrying out

D. bringing out

为了使限额发料不流于形式，实行限额发料应具备的条件有 ( )

A．运用先进的设备和技术

B．实行集中下料

C．建立必要的管理制度

D．权责明确，责任分明

E．具有先进、合理和齐全的物资消耗定额