Answer:
Option d) is correct
Step-by-step explanation:
To prepare a presentation describing policies included in President Lyndon Johnson’s "Great Society”, the most relevant source that Sora should use is an audio recording of Johnson’s “Great Society” speech.
An audio recording of Johnson’s “Great Society” speech can give a more proper clarification and information regarding policies included in President Lyndon Johnson’s "Great Society”.
So,
Option d) is correct