Rocky starts from point A and drives 3 km towards east. He takes left turn and drives 4 km. He again takes a left turn and drives 3 km. He takes one more left turn and drives 2 km and stops at B. How far and towards which direction should he drive in order to reach point A again?

A

2 km towards south

B

3 km towards south

C

3 km towards east

D

2 km towards north