Under What Circumstances Might Charla Be Held Personally Liable for the Note

Under what circumstances might Charla be held personally liable for the note?

A) If Jirah is a holder in due course.
B) If Jirah is a holder in due course and unaware that Charla signed on behalf of Prida's.
C) If Jirah is unaware that Charla signed on behalf of Prida's.
D) If Charla failed to disclose that she was an agent of Prida's.
E) If Jirah is not a holder in due course and unaware that Charla signed on behalf of Prida's.