Answer:
d
Explanation:
cancer is examined by a doctor and they use needles and take sample of the cancer that is growing they then predict if you need treatment or not some people have cancer on there thyroid and in some cases may not even be cancerous
Diabetes is now being diagnosed to children at an alarming rate.
I'd have to say d. the hand, because every human (for the most part, no offence intended to anyone) has a hand and is able to make good (or bad, rather) use of it. It's what a person always has access to at any given time or place, even if they don't have access to one of the other options.