If I long enough to have a job, I would choose to be a doctor, those AIDS patients．
A. had lived; helping
B. should live; help
C. were to live; helping
D. should have lived; help
网友回答
A. had lived; helping
B. should live; help
(答案→)C. were to live; helping
D. should have lived; help
解析：考查虚拟语气和伴随状语：句意：我要是活得足够长时间可以做个工作，我会选择做一个医生，帮助那些艾滋病人。因为主句是would do表示和将来相反的虚拟语气，从句可以是should do或were to do，第一空排除AD，第二空应该是现在分词做状语，排除BD，选C。