A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. The shortest distance between the starting point and the destination is?

• A. 12 km
• B. 15 km
• C. 18 km
• D. 20 km

• 15 km

Please select one of the options to reveal the correct answer.