–What do you think of your job, Bob?
–Though flexibility, it is a job you are doing something serious but interesting.
A. lacking; where
B. lacking of; which
C. lacking in; when
D. lacking; that
网友回答
(答案→)A. lacking; where
B. lacking of; which
C. lacking in; when
D. lacking; that
解析：考查现在分词做状语，you和lack是主动关系，用现在分词做定语，注意lack of里面的lack是名词，不能接ing，第二空是定语从句，先行词是a job，定语从句中不缺主宾表，缺少地点状语，用where引导定语从句，句意：--你认为你的工作怎样，鲍勃？--虽然缺乏灵活性，但这是你可以做严肃而且有趣的工作。选A。