Rohan's younger brother was requesting his mom to take the car for shopping. Rohan heard this conversation. He came in and explained his younger brother that the means of transport depends upon the distance. What do you learn from Rohan?

• A. We should take bicycle for short distances.
• B. If possible, we should walk down over short distances.
• C. Car should be taken only if we have to travel long distances.
• D. All of the above.