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______the workshops, the executives had a talk with the workers.

A. Inspected                B. Inspecting           C. Having inspected   D. Having been inspected

______the workshops, the executives had a talk with the workers.

A. Inspected         B. Inspecting        C. Having inspected       D. Having been inspected

 _______the workshops, the executives had a talk with the workers.

A. Inspected        B. Inspecting     C. Having inspected D. Having been inspected

______the workshops, the executives had a talk with the workers．

A．Inspected                                                  B．Inspecting

C．Having inspected                                        D．Having been inspected