Go looking for more sources is the option. Writing about something you're confused about is not a good choice. Plagiarism is never the right answer. And picking another research topic is not always a possibility and it's nonsensical to just give up on your original topic.
I am pretty sure that it would be C, quotation marks always go before and after what the character says.
The book centers around an unlucky teenage boy named Stanley Yelnats, who is sent to Camp Green Lake, a juvenile corrections facility in a desert in Texas, after being falsely accused of theft.
It should not be controversial: it would only make the research less reliable since people would have their opinions about the topic that they would want to defend. It should also not be obscure: then it's hard to check.
The best answer is that it should be multifaceted: it should include a number of aspects, not just one, so that the test can check for those aspects, not just one.
Neither of them bought more or less they bought the same just they started with different quantities