Sahil starts travelling towards North from city A. After travelling 4 km, he turns right and travels 4 km. He then, turns left and travels 2 km. Finally, he turns right and travels 4 km and reaches city B. How far and in which direction is Sahil now from the city A?
A. 9 km, North-West
B. 10 km, South
C. 9 km, South-West
D. 10 km, North-East
