With his work completed, the manager stepped back to his seat, feeling pleased ______ he was a man of action.  

A. which
B. what
C. that

出自:国家开放大学管理英语1

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块