I know that research! I don't know what you're asking for though. More info please!
I going to have to say the answer is A
It has an incorrect conjunction adverb. Hope this helped!
This is true. A thesis statement is you opinion. This means that not everyone will agree with your opinion. For example:
Smoking should be illegal because it is unhealthy, costly, and an annoyance.
Though you supported your opinion, someone who enjoys smoking may say that it is not costly or annoying. This is why a thesis statement is controversial.
