Im pretty sure it's "D"... Hope this helps! :)
The answer is A. it is the safest
Leech Therapy was wildly used back in the year 800 B.C and is currently still in practice. It is used to stimulate blood circulation after skin grafts and reconstructive surgery. Leeches can serve as a bridge until the body can re-establish vascular connections.
The reason why he was loosing a lot of weight was because his new diet led to improve his health .He probably feels more active and has no issues with junk food ? I hope this helped a little
