himself with necessary knowledge and skills the young man went to the job market with mu

问题补充：

himself with necessary knowledge and skills, the young man went to the job market with much confidence．

A. Equipped

B. Equipping

C. Having equipped

D. Being equipped

答案：

A. Equipped

B. Equipping

(答案→)C. Having equipped

D. Being equipped

解析：equip…with…表示“给……配备……”。这里逻辑上表示主动关系，且该动作已经发生。