A man or woman makes direct contact with society in two ways: as a member of some familial, professional or religious group, or as a member of a crowd.

A．intimate

B．very familiar

C．relating to the family

D．private

下列选项中，关于合同权利义务概括移转的说法错误的是( )。

A．概括移转可以基于法律行为而产生，也可以基于法律规定而产生
B．撤销权、解除权等形成权不能移转至第三人
C．概括移转并非必须都要取得合同对方当事人的同意
D．第三人取得了移转人的合同地位