A scientific research institute developed a nerve stimulation technology. They implemented the stimulation on a group of skiers in the experiment. After several weeks, they found that compared with those who did not receive the stimulation, their jumping ability and coordination were improved The national sports department plans to cooperate with the agency to promote the use of this technology in the training and competition of skiers. Which of the following is true and most likely to question the plans of the country's sports sector? ['Unstimulated athletes can also improve jumping ability and coordination through normal training.', "This cooperation will increase the expenditure of the country's sports sector.", 'The country is a traditional skiing powerhouse and has long been a world leader in skiing performance.', 'This technology will reduce the concentration of athletes, and concentration is a prerequisite for the ability.']