Analyze the cartoon: what does the circle symbolize, and what is the cartoonist's main message regarding apartheid and HIV/AIDS?

10. B
The circle represents a spotlight, drawing attention to the critical issue of HIV/AIDS, which is a common way for cartoonists to highlight important social problems.

11. C
The cartoon's message is that while the struggle against apartheid has concluded, a new and urgent struggle against HIV/AIDS has emerged, requiring immediate attention due to its devastating impact on young people.