This is saying 3D SCAN, scans aren't recordings, they are essentially photos, so C. is incorrect. Stem cells don't need to rest on something while rescuing an organ, therefore D. is also improper. So, this leaves us with A. and B. B is the most proper because finding the best injection site you would need to find the organ's exact location, also.
<u><em>I am NOT a professional. There is a chance I am wrong. Please reply back to me with the correct response if needed. Thank you.</em></u>
Simple,Treat the wound with antibiotics,after cleaning the wound, apply a thin layer of antibiotic ointment to prevent infection. Close and dress the wound with either stitches or gauze.