Life insurance, before available only to young, healthy persons , can now be obtained for old people, and even for pets.

A．before young, healthy persons available only,

B．available only to young, healthy persons before,

C．available only to persons young, but more healthy,

D．before young and healthy persons only available to,

下列不属于物流功能的是( )。

A．维护

B．包装

C．信息处理

D．运输

E．流通加工