[单选题]Which of the following is correct about continuous ignition? A. Continuous ignition is selected automatically when the ENG ANTIICE pb-sw or approach idle is selected. B. Continuous ignition will also be engaged if max takeoff thrust (EPR or rated N1 mode) or FLEX takeoff thrust (EPR mode) is selected, or when EIU data (ignition or bleed configuration information)is not available. C. Both of the above are correct.