The crime of defamation refers to the act of deliberately fabricating and disseminating certain facts, damaging the personality of others, destroying the reputation of others, and having serious circumstances. Which of the following acts constitute libel:. ["A is dissatisfied with the company manager's criticism of it, thinking that this is because he offended the manager in words and deeds, so he repeatedly expressed this idea in front of colleagues, which had a bad impact on the manager's reputation.", "B has always been at odds with neighbor Wang. When Wang wanted to sell a house and move, B repeatedly declared to surrounding residents that Feng's house had bad feng shui, which caused Wang to suffer serious economic losses due to falling house prices.", 'C heard that classmate Xiao Zhang was involved in a fight outside the school. Under the unconfirmed information, C told the classmates everywhere that C was taken into custody for taking the lead in gathering people to fight, causing Xiao Zhang to commit suicide because of excessive pressure.', "Ding is the head of the financial department of a company. Because of the huge amount of money missing, he thought it was the accountant Liu Liu's private swallowing, so he talked to Xiao Liu many times, and said at the department meeting that Xiao Liu was suspected of committing a crime. Liu's reputation was damaged."]