Jan Saw an Item at a Local Department Store That

Jan saw an item at a local department store that she considered purchasing but did not.After getting home,she changed her mind.Her roommate was going to the same store,so Jan asked the roommate to pick up the item for her.Jan gave her credit card to the roommate and said,"Just sign my name; you know they never check the signature." The roommate purchased the item with Jan's credit card and signed Jan's name.Has the roommate committed forgery?

A) yes, because the roommate misrepresented that she was Jan
B) yes, because forgery occurs whenever one person signs the name of another
C) no, because the store did not realize that the roommate was not Jan
D) no, because the roommate did not intend to defraud either Jan or the store
E) no, because Jan is always liable for charges on her credit card