Do let your mother know all the truth; she appears _________ everything.

A. to tell            B. to be told        

C. to be telling            D. to have been told  

Do let your mother know all the truth. She appears         everything.

A. to tell   B. to be told   C. to be telling   D. to have been told

Do let your mother know all the truth. She appears ____ everything.

A. to tell　　　　　　　 B. to be told

C. to be telling　　　　　 D. to have been told.