问题补充:
The young man, of working for others, is determined to start his own firm.
A. being tired
B. having tired
C. to be tired
D. tired
答案:
A. being tired
B. having tired
C. to be tired
(答案→)D. tired
解析:考查非谓语动词。句意:这个年轻人,厌烦了为别人打工,决定开办自己的公司。过去分词表示被动的动作,和句子主语是被动关系。故选D。