What is one way to prevent certain types of cancer? A. by not using tanning beds
B. by eating a diet low in fiber
C. by eating a diet high in sugar
D. by not using sun screen

Probably A.

Explanation:

Tanning beds have been known to cause different types of cancer such as Melanoma

i think it's the first one because doctors aren't the ones who get rid of the old needles. most of them time it's not even doctors who give you shots, it's nurses.

i believe the answer is true