It was with his iron-fist approach crimes in the southern state _______the 70-year-old man built a political name.
A:to fighting, where
B:of fighting, that
C:of fighting, where
D:to fighting, that
①是人类文明的传递者 ②肩负着教书育人的神圣职责
③对人类文明作出的贡献值得我们尊敬 ④都是学生的良师益友