Can you take off with one AHRS in DG mode?

a) "Yes, taking off with one Attitude and Heading Reference System (AHRS) in Directional Gyro (DG) mode is permissible."
b) "No, it is not recommended to take off with only one AHRS in DG mode for safety reasons."
c) "Taking off with a single AHRS in DG mode depends on specific aircraft specifications."
d) "Yes, as long as the AHRS in DG mode is functioning correctly, taking off is acceptable."