Solution A is my favorite, I try it, everytime first with A, but when the surfaces are very organic, or strange complex, I try B. Sometimes I try B, and then I can see or get the idea how I could make it with the A Solution.
As the old Frank Sinatra has always sung: "I did it MoI waaaaay"
This was my first Car Modeling Video about MoI, it was a early extrem base-shape Version of Solution A.