Shannon,a Foreign Person with a Green Card,spends the Following Days

Shannon,a foreign person with a green card,spends the following days in the United States.

Shannon's residency status for 2008 is:

A) She is a U.S. resident since she was a U.S. resident for the past immediately preceding two years.
B) She is a U.S. resident because she has a green card.
C) She is not a U.S. resident because she was not in the United states for at least 31 days during 2008.
D) She is not a U.S. resident since, using the three-year test, she is not present in the United states for at least 183 days.
E) None of the above.