Aspiration level refers to the psychological need to achieve a certain quality standard for their work. Before an individual engages in a practical job, his heart will pre-estimate the achievement goal that can be achieved, and then he will make every effort to work towards this goal. If the quality and quantity of the work meet or exceed the standards set by himself, 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 followings meets the aspiration level?
Under the meticulous cultivation of Mr Zhang, the rice seedlings in the experimental field produced full ears of rice.