【C19】A．the momentB．beforeC．afterD．once

The product was processed （) official veterinary supervision.A．inB．underC．afterD．with

【C19】A．inB．onC．upD．through

【C19】A．forB．onC．backD．out

【C19】A．put upB．put onC．put offD．put out

【C7】A．in a momentB．at the momentC．in a hurryD．in a line

58._________A. sinceB. beforeC. afterD. ever