The Initial Enrollment Period for Medicare is 7 months in length. Which of the following are the start and stop dates for this period?

a. Starts on the 1st day of the 3rd month before your 65th birthday and ends on the last day of the 7th month.
b. Starts on your 65th birthday and ends 7 months later.
c. Starts on the 1st day of the 6th month before your 65th birthday and ends on the last day of the 12th month.
d. Starts on the 1st day of the 1st month after your 65th birthday and ends on the last day of the 7th month.