Final answer:
The correct distance for parallel parking from the curb is typically about 30 centimeters, with the likely correct answer being 'b) 30 cm', although local laws may have slight variations.
Step-by-step explanation:
When parallel parking, the correct distance you must be within from the curb is typically around 30 centimeters, though this can vary slightly depending on local regulations. It is important to follow these guidelines not only to adhere to the law but also to maintain the flow of traffic and ensure the safety of all road users. Since the multiple-choice options provided don't include 30 cm exactly, the closest and likely correct answer would be b) 30 cm.