Which of the following is the most appropriate response to a 27-year-old woman who is taking phenytoin (Dilantin) for the treatment of a seizure disorder and is requesting hormonal contraception?

a) A barrier method is the only safe and acceptable contraceptive choice.
b) Low-dose oral contraceptive use will provide effective contraceptive protection.
c) Depot medroxyprogesterone acetate (Depo-Provera) will not interact with your seizure medication.
d) Copper-containing IUD use is prohibited.