问题描述：
The museum tells us the stories of the lives of people who live all over the world today,...
The museum tells us the stories of the lives of people who live all over the world today, ____ family history cab e traced to Africans.
A its B their C whose D where
The museum tells us the stories of the lives of people who live all over the world today, ____ family history cab e traced to Africans.
A its B their C whose D where
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