V.B.
Turtles carry Salmonella, so it isn't exactly safe for children to handle them. I wouldn't recommend it. If you do decide to keep it, you should have strict rules about hand-washing after the child has handled the turtle. Here is a link to the CDC's website that explains more. I hope this helps!
http://www.cdc.gov/healthypets/spotlight_an_turtles.htm
V.