GRE Text Completion: Kaplan-GRE填空Kaplan - LK08172TP068MGKY_

Veteran technical support staff members feel that their services are ____________ by the use of computer programs to do the same work; they claim that technical support can't be provided procedurally but rather is a case-by-case effort that requires a skill set built upon training and experience. A. devalued B. tarnished C. ridiculed D. vituperated E. impaired