In General,the Alteration of a Completed Negotiable Instrument

Multiple Choice

In general,the alteration of a completed negotiable instrument:

A) is a complete defense against a holder in due course.
B) is no defense whatsoever against a holder in due course.
C) means that a holder in due course can enforce the instrument against the maker,but only according to its original tenor.
D) means that a holder in due course can enforce the instrument as modified.