This is the house the great man Mao Zedong was born 110 years ago.A. whyB. thatC. about w

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A. why
B. that
C. about which
(答案→)D. in which
解析：考查定语从句。句中先行词为the house，在从句中作地点状语，故用关系副词where，或用in which。句意：这就是伟人毛泽东110年前出生的那个房子。