The correct answer is D, because surrounding yourself with individuals whose company that you enjoy makes you satisfied and scientists have tested this out and they discovered people that are stressed or angry and hang out with someone like their family and they like to hang out with them then their stress or anger will easily go away.
Hope this helped.
When I was racing my friend for our snacks the behavior changed we where more motivated to get the snacks we where both in heavy competion
Just google a list of common household bases and acids. Like lime is a common base and the wiki page will have it's name, purpose and active ingredient right there