某建筑公司于2009年1月承包甲单位的一项建筑工程，根据合同规定，采用包工不包料的方式进行工程价款结算。9月份工程完工并验收合格，该建筑公司取得工程价款2200万元，同时，甲企业给予建筑公司提前竣工奖3万元，该工程耗费甲单位提供的建筑材料2875万元、电力价款268万元。建筑公司应纳营业税为( )万元。

A．66

B．152.34

C．66.09

D．160.38

An analog signal’s characteristic quantity representing data may 66) . at any instant, any value within a continuous (67) . For example, an analog signal may follow continuously the values of another physical quantity representing data.

A discrete signal is composed of (68) elements in time, each element having one or more characteristic quantities which can represent data. Examples of characteristic quantities are amplitude, waveform, (69) , and position in time. A digital signal is a special case of discrete signals, in which data are represented by a (70) number of well-defined discrete values that one of its characteristic quantities may take in time.

（70）处填（）。

A．limited

B．finite

C．restricted

D．bounded