It was the skills that he had acquired at his training period        enabled him to get such a high post in that world-famous company.

         A．when                    B．that                               C．who                           D．which

It was the skills that he had acquired at his training period       enabled him to get such a high post in that world-famous company

1. A.
   when
2. B.
   that
3. C.
   who
4. D.
   which

It was the skills that he had acquired at his training period        enabled him to get such a high post in that world-famous company.

       A．when B．that   C．who  D．which

It was the skills that he had acquired at his training period       enabled him to get such a high post in that world-famous company.