An ambition level is a psychological need to achieve a certain quality standard for an individual's work. Before an individual engages in an actual job, he or she will estimate the achievement goal in advance, and then make every effort to work towards this goal. If the quality and quantity of work meet or exceed the predetermined standards, there will be a sense of success, otherwise there will be a sense of failure and frustration. According to the above definition, which of the following mentalities meets the level of ambition? ['Under the careful cultivation of Mr. Zhang, the rice seedlings in the experimental field produced full ears of rice.', "Some builders ignore the country's legal discipline and cut corners in construction work.", 'Old Zhao gave up the superior conditions abroad and returned to the motherland when he was young.', 'Xiao Wang completes his work in a timely manner according to the requirements of the work schedule, and never delays.']