I think it’s B:)
Hope this helps.
True, the supporting details should some in the following paragraphs (that's what I learned anyway - it may be wrong)
Cause to feel embarrassed or ashamed
When comparing the GDPs, Instead of saying compared it to, you might want to type, "in comparison." A few transition words also might help the piece become a bit smoother. Other than that, good job on the writing! It seems very well researched!
The cause<span> of </span>death<span> remains unknown despite a careful review of the medical history, scene investigation, and autopsy.</span>