Mr. Li will go to Guangzhou by air. His workmates are ______ him off at the airport.

A．turning

B．seeing

C．taking

D．putting

检验批隐蔽工程验收时，质量验收记录中的验收结论应由（）签字。

A.施工单位质检员

B.施工单位技术负责人

C.专业监理工程师

D.质量监督站监督员