Two persons A and B start from the same point. A walks 4 m North, then turns to his right and walks 3 m. At the same time, B has walked 9 m East, then he turned to his left and walked 4 m. Where is B now with respect to the position of A?

• A. B is 6 m to the East of A
• B. B is 12 m to the East of A
• C. B is 6 m to the West of A
• D. B is 12 m to the West of A