Answer:
D). School administrators are working to achieve grants that will allow them to buy more laptops for in-classroom use, but funding for this project is scarce and highly competitive.
Step-by-step explanation:
An expository essay primarily aims to present information in an objective, precise, and comprehensible manner. As per the given title of the expository essay 'Obstacles to Classroom Technology,' the supporting details regarding the efforts made by school administrations in order to attain grants for ensuring adequate availability of technologies in the classroom but still having scarce chances adequately backs the claim of the challenges that schools are facing regarding classroom technology. Thus, option D is the correct answer.