For a city to develop the convention and exhibition industry, it is necessary to "build a nest and attract phoenixes"-first having the hardware and software foundation, and then attracting convention and exhibition activities. Having complete convention and exhibition facilities and ideal transportation conditions just shows that a city has the development of the convention and exhibition industry In order to attract a sufficient number of high-quality convention and exhibition activities, it is also necessary to improve the level of public services and build a good business environment to strengthen the construction of soft power. If the above statement is true, which of the following is unlikely to happen? ['City A has the hardware foundation to develop the exhibition industry, but it does not develop well.', 'City B vigorously improved the level of public services and attracted a sufficient number of high-quality convention and exhibition activities.', 'The exhibition industry in C is very developed, but the problem of aging municipal facilities is becoming increasingly prominent.', 'Ding ’s convention and exhibition facilities are complete and the transportation conditions are ideal, but it does not have the hardware foundation to develop the convention and exhibition industry.']