A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases?（）.

A.In the lower level of the pumproom

B.In the middle level of the pumproom

C.In the upper lever of the pumproom

D.On the deck outside the pumproom

某股份有限公司利润表中“主营业务收入”项目为2400万元；资产负债表中“应收账款”项目的本年增加额为250万元，“应收票据”项目的本年减少额为210万元，其中贴现的金额为60万元，贴现息为4万元，销项税额为240万元，坏账准备为14万元。假设该公司本年度没有发生其他业务，现金流量表中“销售商品提供劳务收到的现金”项目应填列的金额为( )万元。

A．2 102

B．2 582

C．2 590

D．2 610