This organizational aid is an example of cause and effect.
Option: C.
Step-by-step explanation:
Patterns of Organisation is the term that relates the paragraph supporting details in a paragraph. Cause and Effect is one of the types of Patterns of Organisation and a common way that organizes a paragraph's information using the given texts.
A paragraph can be structured as something that happened due to some causes. It can be structured in order either causes and effects or effects and then causes.
Here the given lines stays focused, studies only and does all homework are the causes. That gives the effect gets good grades.