Shirly Thomas was enrolled in Medicaid during the Public Health Emergency (PHE). This coverage has recently been terminated due to the end of the PHE. While Shirley was enrolled in Medicaid, she missed an opportunity to enroll in Medicare and now wants Part B. Which of the following statements best describes Shirley's ability to now enroll in Medicare Part B?
1) Shirley can enroll in Medicare Part B anytime without any restrictions.
2) Shirley can enroll in Medicare Part B only during the annual Open Enrollment Period.
3) Shirley cannot enroll in Medicare Part B as she missed the opportunity while enrolled in Medicaid.
4) Shirley can enroll in Medicare Part B only if she qualifies for a Special Enrollment Period.
