Read the following statement: 'To truly foster innovation, we must invest in education, for without a well-informed populace, the wellspring of new ideas will surely run dry, leaving us stranded in the desert of complacency.' Which rhetorical device does the author primarily use to persuade the audience?
✓ Correct Answer: Option D
The author uses metaphors like 'wellspring of new ideas' and 'desert of complacency' to vividly illustrate the consequences of investing or not investing in education, appealing through imaginative comparison.