7. Part A Which is a central idea of the passage? A. Doing what is right can be extremely difficult. B. Significant cultural changes require great patience. C. Young people should be shielded from the cruelties of the world. D. The role of judicial courts is to protect citizens from discrimination.

To determine the central idea of the passage, we need to analyze the main points and themes discussed in the text. <br /><br />The passage discusses the challenges and difficulties faced when doing what is right. It emphasizes that doing what is right can be extremely difficult and requires great patience and courage. <br /><br />Therefore, the central idea of the passage is:<br />A. Doing what is right can be extremely difficult.