To determine which definition of "discipline" is being used in the sentence, let's analyze the context. The sentence mentions "reduce discipline problems," which suggests it refers to managing behavior or adherence to rules within a school setting.
If we consider the dictionary entry you referenced, typically:
- Definition 1 might refer to general instruction or training.
- Definition 2 could pertain to punishments or consequences for actions.
- Definition 3 often relates to a system of control or order.
- Definition 4 might discuss a branch of knowledge or field of study.
Given the context of the sentence where "discipline problems" are mentioned, it is likely that the meaning aligns with the notion of managing behavior or control within the school environment.
Thus, the appropriate choice would be:
C. definition 3 (if it relates to control or order/issues related to behavior).
If you have the specific definitions listed in the dictionary entry you referenced, I could confirm the closest match more accurately!