Station manager of a big station shall inspect the cabins at least once in ________. A. Once in a week B. Twice in a week C. Thrice in a week. D. None of these

The correct answer is: A. Once in a week.

The station manager of a big station shall inspect the cabins at least once in a week. This is to ensure that the cabins are clean and in good condition, and that there are no safety hazards. The station manager should also check that the cabins are being used in accordance with the station’s rules and regulations.

Option B is incorrect because it is not often enough to ensure that the cabins are clean and in good condition. Option C is incorrect because it is not necessary to inspect the cabins more than once a week. Option D is incorrect because it is not a valid option.