Final answer:
Carr's purpose is D) to raise readers' prime awareness of the effects the Internet is having on their brains.
Step-by-step explanation:
The purpose of Carr's text is to raise readers' prime awareness of the effects the Internet is having on their brains. Carr's intention is to inform and make readers reflect on how the Internet is impacting their cognitive abilities.
He explores the negative effects of prolonged online reading and highlights the potential consequences on memory, attention, and critical thinking skills.