题目内容：
Somepeopleareoftensurprisedbywhatotherpeopledo.AccordingtoBerger,thatismainlybecause
A．somepeoplearemoreemotionalthanothers B．somepeoplearenotawareofthefactthatwewillnevercompletelyknowanotherperson
C．somepeoplearesensitiveenoughtosensethechangeofotherpeople'sattitudes
D．somepeoplechoosetokeeptothemselves
参考答案：
答案解析：