A． Do not copy or paste pictures to your websit
B． Sanitizing your photos online guarantees their safet
C． Compared with emails, websites are safer to share photo
D． Even your friends may use your photos for a bad purpos

A． The child's academic performanc
B． The child's character and personalit
C． The child's computer skill
D． The child's willingness to communicat

A． Frequently change their passwords of online account
B． Put their photos online frequently and randoml
C． Guarantee the decency of language on their site
D． Use their real full name for their online accoun