—Have you moved into your new classroom building?

—Not yet, it ______________.

A．was painted

B．is painted

C．has been painted

D．is being painted

精馏塔釜温度指示较实际温度高，会造成（）。

A、轻组分损失增加

B、塔顶馏出物作为产品不合格

C、釜液作为产品质量不合格

D、可能造成塔板严重漏液