How is a motorcyclist required to overtake another vehicle?

1. A As fast as possible, even if it means to exceed speed limit for a brief moment.
2. B From the right side of the overtaken vehicle, and as close as possible to it.
3. C From the left side of the overtaken vehicle, while keeping a proper side distance from it.
4. D In a manner that allows him to always see the other vehicle in both mirrors.