Kong, Zhuang and Yang are the chiefs, deputy chief and section chief of a certain unit. It can be confirmed that Zhuang has not visited Changjiang Village for investigation so far; although Yang has not visited Changjiang Village, he has investigated this matter Have discussed with the director; the section chief has visited the Changjiang Village for many times and wrote a special investigation report. Based on this, it can be inferred that the people who held the positions of director, deputy director, and section chief were in that order? ['Kong, Yang, Zhuang.', 'Zhuang, Yang, Kong.', 'Yang, Zhuang, Kong.', 'Kong, Zhuang, Yang.']