Answer:
D. The evidence is relevant because it uses an expert opinion to support the idea the book program is good.
Step-by-step explanation:
Option D is the correct answer.
From the given evidence, the manager of Duncan Books actually revealed that they had positive feedback from the families about the impact of the initiative. Also, teachers commented on the renewed enthusiasm of the students.
These reports from the manager and the teachers are enough evidence that show that the given evidence is relevant. Such reports from both manager and teachers support that the book program is good.