Who is credited for building the Great Wall of China ?

Who is credited for building the Great Wall of China ?A. Fa Hien
B. Yubang Tou
C. Hiung Tsang
D. Qin Shi Huang

Perhaps the most recognizable symbol of China and its long and vivid history, the Great Wall was originally conceived by Emperor Qin Shi Huang in the third century B.C. as a means of preventing incursions from barbarian nomads.