Respuesta :
In order to improve the logical flow of the paragraph, the best place to move sentence 7 is before sentence 3. It gives a better logical flow to have stated that many experts agree that switching to tablets is important for the future of education before we begin to mention what each expert said, and what the view of opponents are.
Answer:
B. Sentence 3
Explanation:
Sentence 3 is a direct supporting detail to sentence 7.