It is reported that people are         likely to tell lies over the phone as they are in emails.

A．as twice

B．twice than

C．twice more

D．twice as

承接仲裁检定的有关计量技术机构，应在规定的期限内完成检定、测试任务，并对仲裁检定结果出具（）。

A.仲裁证书

B.仲裁报告

C.检定证书

D.仲裁检定证书