Read the excerpt from The Boy Who Harnessed the Wind by William Kamkwamba. The wind would spin the blades of the windmill, rotate the magnets in a dynamo, and create electricity. Attach a wire to the dynamo and you could power anything, especially a bulb. All I needed was a windmill, and then I could have lights. No more kerosene lamps that burned our eyes and sent us gasping for breath. With a windmill, I could stay awake at night reading instead of going to bed at seven with the rest of Malawi. Which line from the excerpt shows an implied detail that provides context about Malawi and how the windmill would benefit its people?

A. Attach a wire to the dynamo and you could power anything, especially a bulb.

B. No more kerosene lamps that burned our eyes and sent us gasping for breath.

C. All I needed was a windmill, and then I could have lights.

D. The wind would spin the blades of the windmill, rotate the magnets in a dynamo, and create electricity.