The school received a large number of donations with no real name during the flood relief activities. After investigations, we can conclude that one of Zhou, Wu, Zheng, and Wang Zhong donated. Upon inquiry, Zhou said, "It's not me Wu said, "It was donated by Wang. " Zheng said, "It was donated by Wu. " Wang said, "I must have donated it. " After a detailed investigation, it was confirmed that only one of the four was telling the truth. Which of the following can be concluded from the above conclusions as a conclusion? ['Zhou is telling the truth, donated by Wu.', 'Zhou was telling lies and was donated by Zhou.', 'Wu is telling the truth, donated by Wang.', 'Wang is telling the truth, donated by Zheng.']