with enough ability for the present job， Mike was not fit for it and he had to quit it.
A. Not equipping
B. Not equipped
C. Not to be equipped
D. Having not been equipped
网友回答
A. Not equipping
(答案→)B. Not equipped
C. Not to be equipped
D. Having not been equipped
解析：本题考查非谓语动词的用法。be equipped with “装备有……”，句中equipped 为过去分词做状语。having done的否定式是在having前加not。