—Sorry, I’m late. Has the meeting begun?

—It doesn’t matter. The meeting        for several minutes.

A．has just begun

B．has just been over

C．has just been on

D．has just ended

热电偶或热电阻安装在隐蔽处或机组运行中人无法接近的地方时，其接线端引出隐蔽处即可。