You have prescribed combined hormonal contraceptive pills for your patient and she wants to know when to start. Her LMP (last menstrual period) began 1 week ago. Her pregnancy test is negative and she last had intercourse with a condom 5 days ago. You instruct her to: A. Wait until Sunday to start the pack. B. Start immediately and use condoms for a month. C. Start immediately and use condoms for one week. D. Start on the first day of her next menses.