When you are speaking on the phone, you must convey the impression that this is an important conversation to you, ______ you are treating with great significance.

A．one

B．the one

C．that

D．it

配电节点电量电费可以按照下面哪些方式进行统计（）

A、仅查询本月

B、查询最近两月

C、查询最近三月

D、从某一年M月到N月