To prevent an unhealthy buildup of bacteria, bed sheets should be washed at least once a week.

What is the best way to rewrite this sentence?
A.
Preventing an unhealthy buildup of bacteria, bed sheets should be washed at least once a week.
B.
To prevent an unhealthy buildup of bacteria, you should wash your bed sheets at least once a week.
C.
Bed sheets should be washed at least once a week to prevent an unhealthy buildup of bacteria.
D.
You should wash your bed sheets preventing an unhealthy buildup of bacteria at least once a week.