—Jenny is always _______ for appointments. Why is she late today?

—She might have got trapped in a traffic jam in the rush hour.

A．patient

B．grateful

C．punctual

D．available

业支常说的I表，存放在哪个数据库（）

A.计费数据库

B.结算数据库

C.公共数据库

D.营业数据库