1. does your sentence have a main verb and subject.
2. did you start you sentence with Because, such as, for example, for instance, or other phrases like these. These phrases are a huge indicator that a sentence might be a fragment.
Hopefully this helped and good luck.
I believe the answer is D. but I am not 100% sure.
Answer:
However
Explanation:
Despite and in spite of is used when a subject is unaffected by something
Answer:
so what's the question?..........