问题详情

The South Africans threw attacks on foreigners partly because
A．those foreigners had killed at least 40 local people.
B．those foreigners deployed army to deal with the mobs.
C．those foreigners deprived the locals of their job opportunities.
D．those foreigners had driven 30,000 locals from their homes.请帮忙给出正确答案和分析，谢谢！