I think I was at school,  ______I was staying with a friend during the vacation when I heard the news.

A．even so

B．and then

C．so that

D．or else

客户的分类中，按( )分类，可分为机构团体客户和个人客户。

A．物业的价格区间
B．客户的性质
C．购买的目的
D．客户需求的物业类型