-And then the________wind blew the roof off.

-Oh，you must have been________.[ ]

A．frightened；frightened  

B．frightening；frightening

C．frightened；frightening  

D．frightening；frightened

数据录入员通常由会计人员结合本人所负责的核算业务承担其录入工作，并对录入数据的正确性负责。( )