Sunny drives 3 km towards west from point A. He then takes a right turn and drives 6 km. Again, he takes a right turn and drives 3 km. Finally, he takes a left turn and drives 3 km to reach point B. How far and towards which direction should he drive now in order to reach point A again?

A

9 km towards south

B

8 km towards west

C

7 km towards north

D

6 km towards east