Do you know why Nelson Mandela violence to make black and white people equal?
Aturn in
Bturn out
Cturn to
Dturn over
网友回答
A. turn in
B. turn out
(答案→)C. turn to
D. turn over
解析：句意：你知道为什么曼德拉为了让黑人和白人拥有平等的权利，转向暴力？turn in上交；turn out结果是；turn to转向；turn over翻转， 选C。