Answer:
I would go with A and B.
Step-by-step explanation:
The .edu extension means that the information has been verified by educational institutions and most of the time even run by them. This is why it's good to trust sites with the .edu extension.
Similarly, .gov is run by government organizations so not just anyone can upload or edit content. Governments surely fact-check their information before uploading it to their website so they are trustworthy sources.