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                   113 Points
                   Joined November 2009
                
               
			  
			  
             
            
             I have 2 things to say.
1) you are telling that A is the payee holder. If so, then the name of A is mentioned as the payee and so it is no longer a blank endorsement. Hence no conversion takes place.
2)Assuming that No one's name is written as payee ie it is payable to bearer and D is holder in due course.
here first of all D will present the bill to the acceptor of the bill. If the acceptor fails, then D can recover amount from any person viz A, B, C provided they have not done sans recourse enodorsement
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If D is holder in due course, he can recover from presentment and if the acceptor fails he can recover from any party in either case