Joke Collection Website - Blessing messages - The following leak problems and hidden dangers that do not exist when using mobile phones are ().

The following leak problems and hidden dangers that do not exist when using mobile phones are ().

The following leak problems and hidden dangers that do not exist when using mobile phones are ().

A. Talking about confidential matters on the phone

B. Send confidential WeChat and SMS

C. discuss the relevant provisions of the secrecy law

D, uploading classified pictures to Weibo.

Correct answer: C.