----Have all the students known that our class will visit the factory this afternoon?

----Yes. Every student______about it.

A．told

B．has told

C．was told

D．tells

各地检验检疫机构办理外商投资财产鉴定工作，按规定出具鉴定证书。其价值鉴定证书是证明投资各方投人财产价值量的有效依据，各地会计师事务所凭检验检疫机构的价值鉴定证书办理外商投资财产的验资工作。 ( )