Which of the following is true with regard to TIA's?
A) A driver on anticoagulant therapy for a cardiovascular disorder may not be certified if the driver has a history of TIA's
B) The rate of recurrence for TIA's is highest in the first six months, declining after six months to less than 5% per year
C) TIA's are not considered warning signs for a cerebrovascular accident (CVA).
D) The maximum certification interval for a driver with a history of TIA's is six months.