Yes, I agree. I was thinking about if you are the person sat near a leg (of the table) designs A to D give more room. @MikeG gives me the impression that he enjoins complex joyery.
No, seriously, people sit between the legs. The lower drawing shows the legs (with the chairs put away), and the upper one illustrates the width of each place setting (600mm = 2 feet). That's huge, and means absolutely no-one is anywhere near the legs. The shape of the legs will make no difference to anyone's comfort: