Ada Is the Maker of a Note, on Which Bart

Ada is the maker of a note, on which Bart is secondarily liable. Credit Instruments Company is the current holder of the note. Bart will be obli?gated to pay the note if

A) Ada defaults on the note.
B) Credit Instruments breaches a transfer warranty.
C) Credit Instruments negotiates the note to Delta Collection Agency, a third party.
D) Credit Instruments presents the note for payment.