I’m gonna go with B because it seems more smart and has good language, especially coming from experts. It has better vocabulary.
D She is a fragile woman who deserves better treatment from her husband--APEX
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.
I would help but i don’t know what sentence three is next time can you attach a picture to help
