【单选题】听力原文:When the drawer and drawee of a bill are the same person, the holder may treat the instrument either as a bill of exchange or as a promissory note. (6)
A.
If both the drawer and drawee of an instrument are the same person, the instrument may be treated as a promissory note.
B.
In any case, the holder can treat the instrument as a bill of exchange or a promissory note.
C.
If both the drawer and drawee of an instrument are the same person, the instrument can only he treated as a promissory note.
D.
When the drawer and drawee of a bill are the same person, the holder may treat the instrument neither as a bill of exchange nor as a promissory note.