单选题 The researchers found the age at which young people first fall ______ to bullies seems to determine how much it affects them.
【正确答案】 D
【答案解析】四个名词选项中:sacrifice(牺牲)一般与make搭配;short可以与fall搭配,但一般是fall short of的形式,意思是“不足,达不到(目标),不符合”;witness证人,目击者,证词,一般不与fall搭配;victim受害人,牺牲者,可做 fall的宾语。正确答案是victim。