Two postmen, C and D, start walking from a post office. C walk 2 km north, then turns to his right and walks 5 km. Meanwhile D walks 5 km East, turns right and walks 6 km. Where is D with respect C?
1
D is 8 km south of C
2
D is 4 km south of C
3
D is 8 km North of C
4
D is 4 km North of C