A. the periodic law of individual physical and mental development
B. Time sequence law of individual physical and mental development
C. the unbalanced law of individual physical and mental development
D. Individual differences in individual physical and mental development
A: B. The sequential law of individual physical and mental development
Analysis:
The metaphor of "pulling out seedlings to encourage growth" is eager for success, and the order of individual physical and mental development refers to the low to high, simple to complex. Therefore, "pulling out the seedlings to encourage" violates the time sequence law of individual physical and mental development.