The turning out time off BD SPL. During day is ________ minutes A. 30 B. 20 C. 50 D. None of these

The correct answer is: A. 30 minutes.

The turning out time off BD SPL. During day is 30 minutes. This means that the train departs from the station 30 minutes after the scheduled departure time. This is done to allow passengers to board the train and to ensure that the train departs on time.

Option B is incorrect because the turning out time off BD SPL. During day is 30 minutes, not 20 minutes.

Option C is incorrect because the turning out time off BD SPL. During day is 30 minutes, not 50 minutes.

Option D is incorrect because the turning out time off BD SPL. During day is 30 minutes, not none of these.