Asymmetric information refers to information that some actors have that other actors do not. According to the above definition, which of the following is the following asymmetric information? ['A company releases information to recruit a department manager, requiring a male, not more than 30 years old, to be accepted after passing the assessment interview. Candidate A. B passes all the way through the final round of screening, and when determining who wins last, B defendant In other words, it is not accepted because it is not a city account.', 'A unit convened a meeting on the first day of work after the Spring Festival, stipulating that employees must not play games at work. One month later, Xiao Li was dealt with in violation of the rules. Xiao Li argued that the unit had previously requested and did not make similar requests in the future.', 'A city posted news of recruiting 50 civil servants on major media in this city. Zhang said that he has been abroad recently and did not know the news, so he missed the registration time.', "A TV shopping channel teamed up with building materials merchants to carry out group purchase promotions. Xiao Li said he didn't know."]