Statement: The air and rail services have been severely disrupted due to thick fog in the northern part of the country.Course of Action:(I): The rail and air services should be temporarily suspended in the region.(II) People should be advised to make their travel plan keeping in mind the probable disruptive resulting in delay or cancellation of services.(III): The government should immediately install modern machines which will enable it to guide the rail and air services even if the thick fog develops

• A. Only II follows
• B. Only III follows
• C. Only II and III follows
• D. All follows