The Supreme Court's Sony V

The Supreme Court's Sony v.Universal City Studios decision held that home video taping is:

A) always a fair use.
B) always a copyright infringement.
C) an infringement unless you erase the tapes within 48 hours.
D) a fair use if you engage in "time-shifting," that is,you watch the taped programs later and make no commercial use of the tapes.
E) the Supreme Court did not address home video taping in this case.