In case anyone needs extra confirmation, the correct answer is indeed:
"It helps convey the idea that, during apartheid, many South Africans who disapproved of their government's racist policies did not trust the police to follow the law or to be honest about their actions."
Just took the test and got this right :)
The answer you must provide a central or a main idea.
The part where Zaroff tried to include Rainsford in his sick hunting game would be the best portray Zaroff as Rainsford's foil i think.
Beside that, they both actually are very similar with one another
