Martha Is Elderly,does Not Speak or Read English Very Well,and

Martha is elderly,does not speak or read English very well,and is unsophisticated in business matters.A salesman convinces her to sign a negotiable note by telling Martha that it is a receipt for his visit.The salesman properly negotiates this note to a holder in due course,who tries to collect from Martha.Martha's defense to this note is:

A) breach of contract, a personal defense.
B) fraud in the inducement, a real defense.
C) fraud in the inception, a real defense.
D) extreme duress, a real defense.
E) illegality, a real defense.