The old man needs .A. looking afterB. being looked afterC. to look afterD. look after

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(答案→)A. looking after
B. being looked after
C. to look after
D. look after
解析：本题考查非谓语动词的用法。need (want , require)作“需要”讲时，后面跟动名词主动形式或者动词不定式的被动式。