—By the way, Mary sends her love to you.

—______.

A．Oh, the same to her

B．It’s great

C．That’s very kind of her

D．Thank you ever so much

数据库服务主要包括______。

A．关系型数据库

B．非结构化数据库

C．企业专用管理信息系统

D．以上所有